Image 8005577: [Beechey's Trinoptric lantern]
Digital image of hardware 2000095: Trinoptric lantern (triunial or triple lantern, n.d.)
Type of image
digital scan
Dimensions
(units unspecified)
(all dimensions are nominal; individual examples may have varied slightly from these values).
(all dimensions are nominal; individual examples may have varied slightly from these values).
Notes
The lantern is seen from the rear, with its three lenses extending on the remaining three faces of the lantern body. The two mirrors (A) would be adjusted to bring the images from the two side lenses into registration on the screen with that from the main lens.
Item using this image
Lucerna ID 8005577
Record created by Richard Crangle. Last updated 6 November 2011
