Interglacial deposits, Utrecht Hill Ridge, the Netherlands
Slide H42 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Push moraine, Utrecht Hill Ridge, the Netherlands
Slide H47 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Sand quarry, Hattem, the Netherlands
Slide H65 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

The excursion group at the Utrecht Hill Ridge, the Netherlands
Slide H67 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Limestone pathway]
Slide H71 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Stubaital, Tyrol, Austria
Slide H75 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

River in the Alpine Foreland, Grünwald, Bavaria, Germany
Slide H89 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Erosion in the Hochgebirge]
Slide H111 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

The Alps
Slide H116 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Eroded stones and moss]
Slide H118 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Kremsmünster, Upper Austria
Slide H124 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Mountain ridge, Upper Austria
Slide H125 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Graphic model]
Slide H142 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Push moraine covered in snow]
Slide H159 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Infographic]
Slide H169 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Dried straw bales in a meadow]
Slide H183 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Alpine Foreland, Bavaria, Germany
Slide H188 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Karst]
Slide H192 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Übergossene Alm, Berchtesgaden Alps, Austria
Slide H196 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Graphic model]
Slide H214 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Meadow, the Netherlands
Slide H226 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Canyon with flowing river]
Slide K2 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Canyon with flowing river]
Slide K4 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Canyon with river]
Slide K7 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Hill with trees]
Slide K25 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Karst, the Alps
Slide K98 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Karst, Berchtesgaden Alps, Northern Limestone Alps
Slide K177 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Karst, Berchtesgaden Alps, Northern Limestone Alps
Slide K179 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Saugasse, Berchtesgaden Alps, Germany
Slide K183 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Karst]
Slide K193 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Road, Mittelgebirge, Germany]
Slide K199 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Low water level in the Danube]
Slide K208 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Blau river, Blaubeuren, Germany
Slide K219 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Water flows away from the Danube]
Slide K223 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Cavern, Istria, Croatia
Slide K227 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Cavern, Istria, Croatia
Slide K229 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Adelsberg region, Slovenia
Slide K233 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Divača, Slovenia
Slide K236 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Danube region, Germany
Slide K247 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Low water level in the Danube]
Slide K250 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Geological outcrop on the side of a meadow]
Slide K265 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Erosion]
Slide K272 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Brilon, Sauerland, Germany
Slide K277 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Rhenish Massif, Germany
Slide K294 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Dinaric Alps, Serbia
Slide K297 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Karst, Dinaric Alps, Serbia]
Slide K299 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Karst and river, Dinaric Alps, Serbia]
Slide K305 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Adelsberg region, Slovenia
Slide K308 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Water flows away from the Danube]
Slide K312 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Low water level in the Danube]
Slide K315 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Rhenish Massif, Palatinate, Germany
Slide K317 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Graphic model]
Slide K323 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Dinaric Alps, Dalmatia, Croatia
Slide K335 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Swabian Jura, Germany
Slide K345 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Swabian Jura, Germany
Slide K348 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

Plitvice Lakes region, Dalmatia, Croatia
Slide K356 of [Jacoba Hol geographical slides: series K] (lecture: privately made, 71 slides, 1912-1938)

Original artefact

[Landslide]
Slide J1 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

[Steep mountain]
Slide J5 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

[Church near a river]
Slide J7 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

[Graphic model]
Slide J14 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

Liechtensteinklamm waterfall, Austria
Slide J63 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

Rhenish Massif, Palatinate, Germany
Slide J65 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

Dinaric Alps, Dalmatia, Croatia
Slide J72 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

Veluwe, the Netherlands
Slide J74 of [Jacoba Hol geographical slides: series J] (lecture: privately made, 15 slides, 1933-1941)

Original artefact

[Gas emission from a dormant volcano]
Slide M4 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

[Gas emission from a dormant volcano]
Slide M6 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

[Geological outcrop]
Slide M10 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

[Jacoba Hol in the mountains]
Slide M37 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

Quarry, Rhenish Massif, Germany
Slide M120 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

[Terrace Landform]
Slide M186 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

[Railway]
Slide M188 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

[Stone quarry]
Slide M199 of [Jacoba Hol geographical slides: series M] (lecture: privately made, 16 slides, 1914-1924)

Original artefact

[Rocks in a bay]
Slide L18 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Coastline]
Slide L25 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[The excursion group at a lake]
Slide L63 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Lake]
Slide L71 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

Mont Saint-Michel, Normandie, France
Slide L93 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

Dunes, the Netherlands
Slide L121 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[A student at the beach]
Slide L131 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Erosion at the coastline]
Slide L135 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Meandering river]
Slide L159 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Graphic model]
Slide L161 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Coastal erosion]
Slide L167 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Beach]
Slide L175 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Two men sitting on the rocks in the sea]
Slide L196 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

Omiš, Dalmatia, Croatia
Slide L244 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

Dalmatia, Croatia
Slide L249 of [Jacoba Hol geographical slides: series L] (lecture: privately made, 30 slides, 1919-1938)

Original artefact

[Slide title unknown]
Slide 2 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Trigeminus-paralyse. Encephalitis.
Slide 4 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Schedelfractuur
Slide 6 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

[Slide title unknown]
Slide 8 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

lever-vergrooting
Slide 10 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Oedemen
Slide 12 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Stille kolder (hersteld)
Slide 14 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

[illegible]
Slide 16 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Facialis paralyse Kneuzing ganzevoet herstel
Slide 18 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Tympanitis
Slide 20 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Facialis. paralyse. Otitis.
Slide 22 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

levensarcomatose
Slide 24 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Encephalitis doortrauma en depressie ataxie- Amaurosis
Slide 26 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Facialis-paralyse
Slide 28 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Exp. parabothelismos (Seddon)
Slide 30 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Tongverlamming
Slide 32 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

[Slide title unknown]
Slide 34 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Pelotte op de pensmaag [...]
Slide 36 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

zwelling parotis-klier
Slide 38 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

[Slide title unknown]
Slide 40 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Acute hartsdilitatie
Slide 42 of [Veterinary medicine - onderwijsdia's, verder onb. patienten] (lecture: manufacturer unknown, 42 slides, c.1900)

Original artefact

Map
Unnumbered slide from [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 3 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 6 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 9 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 11 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 14 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 16 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 18 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 20 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 22 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 25 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 27 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 29 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 31 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 33 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 35 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 37 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 39 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 41 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 43 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 45 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 47 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 50 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 52 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 57 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 62 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 65 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 67 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 69 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

[Slide title unknown]
Slide 71 of [Botanical expedition, Indonesia] (lecture: manufacturer unknown, 60 slides, c.1930)

Original artefact

Molasse basin, Switzerland
Slide A1 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Dahner Felsenland, Germany
Slide A10 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[Geological outcrop]
Slide A22 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Stone quarry, Black Forest, Germany
Slide A24 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[The excursion group]
Slide A37 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Haselburg, Bolzano, South Tyrol, Italy
Slide A60 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Mittelgebirge, Germany
Slide A69 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Franconian Jura, Bavaria, Germany
Slide A73 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Franconian Jura, Bavaria, Germany
Slide A75 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[A Catholic student of Jacoba Hol]
Slide A85 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Stone quarry, Black Forest, Germany
Slide A87 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Excursion group in stone quarry, Black Forest, Germany
Slide A89 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Slate, Rhenish Massif, Germany
Slide A95 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Drei-Brüder-Felsen, Bavaria, Germany
Slide A110 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[Pathway]
Slide A115 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[Pathway with stones]
Slide A118 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[Rock formation]
Slide A126 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Passage through a mountain, South Tyrol, Italy
Slide A142 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Harz, Germany
Slide A161 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Stone quarry, Harz, Germany
Slide A165 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

A student of Jacoba Hol in Hunsrück, Rhineland-Palatinate, Germany
Slide A174 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

The excursion group in the Black Forest, Germany
Slide A190 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Hunsrück, Rhineland-Palatinate, Germany
Slide A205 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Plitvice Lakes, Croatia
Slide A210 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

Waterfall, Plitvice Lakes, Croatia
Slide A212 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[Limestone mountain]
Slide A217 of [Jacoba Hol geographical slides: series A] (lecture: privately made, 52 slides, 1922-1942)

Original artefact

[Limestone rock with ribbed structure]
Slide B3 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

Cityscape, Germany
Slide B28 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

Regensburg, Bavaria, Germany
Slide B68 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

[Slate stone]
Slide B79 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

[Geological outcrop in meadow]
Slide B93 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

Swabian Jura, Germany
Slide B98 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

Gargnano, Lake Garda, Italy
Slide B100 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

Hunsrück, Rhineland-Palatinate, Germany
Slide B144 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

[Hills]
Slide B150 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

[Dried straw bales in a valley]
Slide B153 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

[View on the mountain from a valley]
Slide B170 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

Lousberg, Aachen, Germany
Slide B173 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

[Stone quarry]
Slide B211 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

[Graphic model]
Slide B216 of [Jacoba Hol geographical slides: series B] (lecture: privately made, 26 slides, 1922-1936)

Original artefact

Landslide of Mülheim, Germany
Slide D4 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Val d'Hérens, Switzerland
Slide D7 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Mountain with river]
Slide D42 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Visiting the Alps]
Slide D45 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Mountain, talus cones]
Slide D47 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Mountain, weathering]
Slide D54 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Pathway through the mountains]
Slide D83 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Map]
Slide D112 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Terrace landform]
Slide D121 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Rauschberg, Bavaria, Germany
Slide D127 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Geyer, Saxony, Germany
Slide D133 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Bavarian Forest, Germany
Slide D152 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Bavarian Forest, Germany
Slide D159 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Sichelbachbecken, Hohe Habichtswald, Germany
Slide D167 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Mountain, weathering]
Slide D196 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Mittelgebirge, Germany
Slide D203 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Meadow between hills]
Slide D211 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Luisenburg, Bavaria, Germany
Slide D229 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Luisenburg, Bavaria, Germany
Slide D232 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Stones and moss]
Slide D245 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Structure in a stone formation]
Slide D256 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Erosion]
Slide D266 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Terrace landform]
Slide D272 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Steinmeer
Slide D284 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Thuringian Forest, Germany
Slide D294 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Excursion group and an eroded mountain]
Slide D302 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Brocken, Harz, Germany
Slide D306 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

South Tyrol, Italy
Slide D310 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Feldberg, Southern Black Forest, Germany
Slide D343 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Rhenish Massif, Palatinate, Germany
Slide D368 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Mountain, weathering]
Slide D372 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Dinaric Alps, Serbia
Slide D387 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Little town]
Slide D407 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Hunsrück, Rhineland-Palatinate, Germany
Slide D415 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Hunsrück, Rhineland-Palatinate, Germany
Slide D422 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Split, Dalmatia, Croatia
Slide D424 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Geological outcrop]
Slide D432 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Geological outcrop]
Slide D436 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

Vosges, France
Slide D442 of [Jacoba Hol geographical slides: series D] (lecture: privately made, 79 slides, 1922-1938)

Original artefact

[Geological outcrop]
Slide E9 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

Sand quarry, the Netherlands
Slide E23 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

Humid area in the Netherlands
Slide E43 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

[Mountains]
Slide E61 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

[Mountain area]
Slide E84 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

[Geological outcrop, put into proportion with a yardstick]
Slide E88 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

[Stone quarry]
Slide E100 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

Landstuhl, Rhineland-Palatinate, Germany
Slide E103 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

[Hill on the heath]
Slide E128 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

Šaška, Dalmatia, Croatia
Slide E142 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

Sandstone, the Netherlands.
Slide E150 of [Jacoba Hol geographical slides: series E] (lecture: privately made, 21 slides, 1919-1941)

Original artefact

[Mountain peaks]
Slide F2 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Glacier]
Slide F4 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Crumbling iceberg]
Slide F8 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Students on top of a mountain]
Slide F11 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Small boat on a lake]

Original artefact

[Student in a rock area]
Slide F21 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Hochgebirge]
Slide F23 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Mountain peaks]
Slide F33 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

Piz Cambrena, Switzerland
Slide F45 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Mountain peak]
Slide F75 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Frozen mountain lake]
Slide F94 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[The excursion group in the Hochgebirge]
Slide F116 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Student in the Hochgebirge]
Slide F123 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

The Alps, Austria
Slide F140 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Glacier]
Slide F146 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

Stone in ice, the Alps, Austria
Slide F149 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

Man in the Hochgebirge, the Alps, Austria
Slide F151 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Geological outcrop in the Hochgebirge]
Slide F159 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

Glacier, the Alps, Austria
Slide F165 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Glacier]
Slide F197 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Glacier, the Alps]
Slide F207 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Mountain peak]
Slide F236 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Snowy mountain peak]
Slide F238 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Fault covered in ice]
Slide F245 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Flowing meltwater, the Alps]
Slide F256 of [Jacoba Hol geographical slides: series F] (lecture: privately made, 49 slides, 1912-1936)

Original artefact

[Landslide reveals limestone]
Slide H2 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[River in the Hochgebirge]
Slide H9 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Nearly dry riverbed in the Hochgebirge]
Slide H13 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Mountain lake]
Slide H15 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Erosion, the Alps]
Slide H17 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Alpine Foreland, Würmsee, Bavaria, Germany
Slide H21 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

Interglacial deposits, Utrecht Hill Ridge, the Netherlands
Slide H23 of [Jacoba Hol geographical slides: series H] (lecture: privately made, 57 slides, 1911-1938)

Original artefact

[Staff and helpers in mountainous region]
Slide 2 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Person carrying luggage on back, climbing a steep trail]
Slide 4 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Rocks covered with moss (?)]
Slide 6 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Man, child and pet (monkey?) in forest]
Slide 8 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

['Map shows route taken by Dr. Chaney's party into Szechwan Province, China']
Slide 10 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Digramme of plant families and cross-breeds (?)]
Slide 12 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Picture of plant (blackberry ?)]
Slide 14 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Scientist in field with stick (measuring?) and shovel]
Slide 16 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Group of people on a horse carriage ]
Slide 18 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Group of people hiking in hilly landscape]
Slide 20 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Woman with luggage at archway at the entrance of cemetery or church yard]
Slide 22 of [miscellaneous botanic excursion China-Szechwan and Germany (Vogelsberg?)] (lecture: privately made, 22 slides, 1930s)

Original artefact

[Tree in front of hut]
Slide 2 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[grass fields and palm trees]
Slide 7 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[tree and path]
Slide 14 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[trees, one large tree]
Slide 16 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[tree in tropical forest, man standing next to it]
Slide 23 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[field and two trees]
Slide 26 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[Man next to tree]
Slide 30 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[different trees and plants]
Slide 33 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[grass field and bushes]
Slide 35 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[two women, one sitting on a chair]
Slide 40 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[village and cultivated gardens]
Slide 42 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[wooden hut and trees]
Slide 44 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[rocks and vegetation]
Slide 56 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[view from rocky hill on forest]
Slide 57 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[researchers on hill posing flag and taking a picture]
Slide 58 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[Researchers in hut/tent sitting at table with lamp]
Slide 61 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[landscape with cactus (?)]
Slide 64 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[plants]
Slide 67 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[landscape, stony hill and forest behind it]
Slide 68 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[trees and grass]
Slide 69 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[Man sitting on trunk of a large tree]
Slide 73 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[grass fields and trees in background]
Slide 85 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[grass fields with trees in background]
Slide 86 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[small trees in grass lands]
Slide 91 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[tree]
Slide 92 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[portrait of school class with chalk board]
Slide 93 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[hut with many people looking out of the windows]
Slide 95 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[Group of trees]
Slide 97 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[group of people in front of hut]
Slide 101 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[Tropical vegetation with river]
Slide 105 of [Prof Pulle's Botanical Expedition in Suriname 1920/21] (lecture: privately made, at least 105 slides, 1920)

Original artefact

[Slide title unknown]
Slide 2 of [Dr Lanjouw's Expedition to Suriname] (lecture: manufacturer unknown, 49 slides, 1935)