- [ca. 1910]
Part of Lantern Slide Collection
Black with gold-trim picture and postcard consumer projector with adjustable telescopic lens. This model has two chimneys and two electric bulb fixtures. The Radioptican originally was made by the H. C. White Company of North Bennington, Vermont, that initially manufactured stereoscopes. In about 1915, the Keystone View Company took over production of the Radioptican, which continued to be widely used for educational purposes.