STEREO PHOTOGRAPHY -- STEREOSCOPIC VIEWER 'Brewster type' viewer for images on cardboard support. 2nd h. 19th c. Mahogany frame, 2 adjustable lenzes and hinged mirror. (Portion of front side missing?). -- Added: a collection of 97 stereo photographs, comprising mostly worldwide city and landscape scenes, of which 41 are printed on transparant paper and w. added colouring on v°-sides.