Spectrum van Sirius
Slide 59 of [Astronomy Sonnenborgh - box 01] (lecture: manufacturer unknown, 50 slides, c.1905)
(all dimensions are nominal; individual examples of this slide may have varied slightly from these values).
Example in Sonnenborgh: Museum en Sterrenwacht Utrecht, item 0285-141478
Record created by Sarah Dellmann and Gert Wilkens. Last updated 5 March 2018
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Lucerna Magic Lantern Web Resource, lucerna.exeter.ac.uk, item 5109381. Accessed 1 July 2025.
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