n.d., Alexander Beckers of New York City patented a stereo-viewer on April 7, 1857. It had a revolving mechanism which allowed multiple views of different types to be inspected sequentially by turning a knob., Stereo viewer, Archives of Modern Conflict OR National Gallery of Canada, LL/12480
Unidentified daguerreotypist / Graphic designer, 1854, 10 April (before), Adams & Co. Express and Banking Office San Francisco exchange check with Daguerreotype overlaid, Ephemera, Archives of Modern Conflict OR National Gallery of Canada, LL/47372
Unidentified photographer / artist, n.d., Roberts quarter plate camera atop the enlarger
to give size comparison. From front of lens to back of
mirror measures approximately four feet in length with
the box at a little over 14 inches in height and width, Colour image, Archives of Modern Conflict OR National Gallery of Canada, LL/45620
L.P. Dodge & Co (Detroit, Mich.), n.d., Business card for L.P. Dodge & Co., Photograph, Ambrotype & Fine Art Gallery, 218 Jeff, Ave. Detroit, Mich., Business card, Archives of Modern Conflict OR National Gallery of Canada, LL/9866
Unidentified photographer / artist, n.d., Intricately carved wooden self-standing fan which was made to hold seven CDVs. It was never used and the original backing paper is still in each frame., Archives of Modern Conflict OR National Gallery of Canada, LL/9968
Matt Isenburg, 2007, 14 October, Portrait of the collector Jack Naylor holding the catolog for his auction at Guernsey's - New York (Oct 18, 2007 - Sun Oct 21, 2007), Digital image, Archives of Modern Conflict OR National Gallery of Canada, LL/23511