Morning Sesssion Thursday, 12 January 1995 at 10.30am Optical Toys, Viewers and Stereoscopes
Negretti and Zambra, London

细节
Negretti and Zambra, London
A wood-body photograph viewer with 4-inch diameter magnifying lens, removable stereo-lens pair, photograph holder and inset plate Negretti and Zambra, London