- [ca. 1936]
Item is a brown plastic 3D viewer built with a push-down lever between the lenses. The lever is designed to rotate a reel containing three-dimensional black and white 35 mm acetate film manufactured by Tru-Vue Company. Images are inserted through the slot on the left side of the lenses. Item comes with square plastic windows to illuminate backs of transparencies on view. Once the film is circulated, it rewinds itself on the right-hand side of the viewer. Item comes in original box with 4 original films depicting the Grand Canyon's major landmarks.
Written on object : Tru-View Rock Island, Ill. U S PAT. 90564 Made in U.S.A. Written on box : Fifty-Six Scenes Of The Grand Canyon Of Arizona In Three Dimensional Photography.