Item is a handheld plastic view master manufactured by Swayer's Inc. This 3D viewer was first introduced at the New York World Fair (1939-1940).Reel of 16 mm colour transparencies of 7 diametrical pairs depicting Victoria Falls, Southern Rhodesia, Africa. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. Originally this item was meant as an educational tool for adults but quickly became a popular children's toy. Item is made of plastic and metal. Reels are interchangeable and come with a variety of themes.

Written on object : Swayer's view master Portland Ore. U.S. pat.2, 189, 255 Foreign Pats Appl'd For Made in USA