RARE EARLY 1920S TELEVISION KIT COMPONENTS,Made by Insuline Corporation of America, 78-80 Cortlandt Street, N.Y., N.Y. Model 1-B, issued 1928-31. Including perforated metal spinning scanning disc, neon lamp or "tube", and vision magnifier. ( lacking motor ). Original lamp box with printed yellow label. Disc, D:16 ". Ref: similar components illustrated in Popular Mechanics Magazine, January 1920 issue. Also see Popular Mechanics, Jan. 1952, article titled "First Radio and Television Receivers for Experimenters." Estimate $500-1,000
CF: Similar example in collection of Smithsonian Institute Washington, DC