France1978:
Vintage Gem Model 32 Carbon Hearing Aid, Made In USA, Circa 1935
France1978:
Vintage Gem Model 32 Carbon Hearing Aid In Carrying Case, Measures 7.5 Inches Wide, Made In USA, Circa 1935
France1978:
Advertising For The Gem And Little Gem Carbon Hearing Aids In The Chicago Tribune Newspaper, June 19, 1927
France1978:
Vintage Gem Model 30 Standard Carbon Hearing Aid, Made In USA, Circa 1930, Pictured Are the Carrying Case, Battery With Extension Cord, Microphone And Earphone (Without Metal Headband)
France1978:
Vintage Gem Model 30 Standard Carbon Hearing Aid, Made In USA, Circa 1930, Pictured Are the Carrying Case, Battery With Extension Cord, Microphone And Earphone
France1978:
Vintage Gem Model 30 Standard Carbon Hearing Aid, Made In USA, Circa 1930, Pictured Are the Carrying Case, Battery With Extension Cord, Microphone And Earphone