Two identical Maddox cheiroscopes without lamp attachments, made by C.W. Dixey and Son Ltd., London, 1920-1950 Two identical Maddox cheiroscopes without lamp attachments
Kinetic stereoscope, by Clement Clarke Ltd., 16 Wigmore Street, London, W1, England, with some slides, 1920-1940. Kinetic stereoscope 1920-1940
