This art deco televiewer was used to view stereo view cards. It was manufactured by The Keystone View Company with patent date Dec 20, 1927. It is metal with a square hood, and has a detachable card holder. Apparently, the televiewer was also available with a detachable light and stand - this televiewer does NOT have either of these items. It is creatively packaged in a box shaped like a 2-volume set of books...

This set of stereo view cards was manufactured by The Keystone View Company. It is entitled "Scandinavia" and consists of 100 slides creatively packaged in a box shaped like a 2-volume set of books. These sets were sold door-to-door and allowed the viewer to experience the world from the comforts of their own living room. Each card has the Keystone View Company mark on the front, as well as the 5-digit code and brief description of the location...

This set of stereo view cards was manufactured by The Keystone View Company. It is entitled "Tour of the World" and consists of 100 slides creatively packaged in a box shaped like a 2-volume set of books. These sets were sold door-to-door and allowed the viewer to experience the world from the comforts of their own living room. Each card has the Keystone View Company mark on the front, as well as the 5-digit code and brief description of the location...