France1978: Vintage Keny Transistor (Body) Hearing Aid, Model TH-400, 4 Transistors, Made In Japan, Circa 1974
France1978: Instruction Sheet For Vintage Keny Transistor (Body) Hearing Aids, Models TH-300, TH-400 & TH-500, Circa 1974
France1978: Vintage Keny Transistor (Body) Hearing Aid In Box, Model TH-400, 4 Transistors, Made In Japan, Circa 1974
France1978: Vintage Keny Transistor (Body) Hearing Aid, Model TH-400, 4 Transistors, Made In Japan, Circa 1974
France1978: Vintage Toshiba Transistor (Body) Hearing Aid, Model THA-1001, 4 Transistors, Made In Japan, Circa 1960
France1978: Vintage Toshiba Transistor (Body) Hearing Aid & Box, Model THA-1001, 4 Transistors, Made In Japan, Circa 1960
France1978: Vintage Toshiba Transistor (Body) Hearing Aid In Box, Model THA-1001, 4 Transistors, Made In Japan, Circa 1960
France1978: Vintage Toshiba Transistor (Body) Hearing Aid, Model THA-1001, 4 Transistors, Made In Japan, Circa 1960
France1978: Vintage Advertising For The Toshiba Model THA-1001 Hearing Aid In The Des Moines Register Newspaper, March 20, 1960
France1978: Vintage Siemens Transistor (Body) Hearing Aid In Original Case, Model 140, Powered By 1 AA Cell, Circa 1985
France1978: Vintage Siemens Transistor (Body) Hearing Aid, Model 140, Powered By 1 AA Cell, Circa 1985
France1978: Vintage Lafayette Model TR-7 (F-480) 4-Transistor (Body) Hearing Aid, Made in Japan, Circa 1959
France1978: Vintage Lafayette Model TR-7 (F-480) 4-Transistor (Body) Hearing Aid, Made in Japan, Circa 1959
France1978: Vintage Lafayette Model TR-7 (F-480) 4-Transistor (Body) Hearing Aid, Made in Japan, Circa 1959
France1978: Vintage Lafayette Model TR-7 (F-480) 4-Transistor (Body) Hearing Aid, Made in Japan, Circa 1959
France1978: Vintage Widex S-Series Transistor (Body) Hearing Aid, Model S10. Made In Denmark, Circa 1980
France1978: Vintage Widex S-Series Transistor (Body) Hearing Aid, Model S10. Made In Denmark, Circa 1980
France1978: Vintage Vacolite Vacuum Tube (Body) Magic Mike Hearing Aid With Storage Case, Model R2 - No. 1575, Measures Approximately 2.25 Inches High x 2 Inches Wide, Made In USA, Circa 1947
France1978: Vintage Elektronik Omniton Model 11F Transistor (Body) Hearing Aid, Made In Germany, Circa 1960s
France1978: Vintage Willco Monarch Transistor (Body) Hearing Aid
France1978: Vintage Philips-Norelco Model HP 8122 High Power Transistor (Body) Hearing Aid, Made In Holland, Circa 1968
France1978: Vintage Norelco Transistor Hearing Aid, Model HP 8123, Made in Holland, Circa 1976
France1978: Pair Of Vintage Qualitone Sound Director Behind-The-Ear (BTE) Transistor Hearing Aids, Made In USA, Circa 1972
France1978: Vintage Qualitone Sound Director Behind-The-Ear (BTE) Transistor Hearing Aid, Made In USA, Circa 1972
France1978: Vintage Advertising For The Qualitone Sound Director Behind-The-Ear Hearing Aid In The Wilmington Delaware News Journal Newspaper, November 2, 1972
France1978: Vintage Monarch Viscount M-30 Transistor (Body) Hearing Aid (Inside View), Made In USA, Circa 1960s
France1978: Vintage Monarch Viscount M-30 Transistor (Body) Hearing Aid, Made In USA, Circa 1960s
France1978: Vintage Trio Transistor (Body) Hearing Aid, Model MH-59, Continental Transistor Products Division, Made In Japan, Circa 1960
France1978: Vintage Trio Transistor (Body) Hearing Aid, Model MH-59, Continental Transistor Products Division, Made In Japan, Circa 1960
France1978: Vintage Trio Transistor (Body) Hearing Aid, Model MH-59, Continental Transistor Products Division, Made In Japan, Circa 1960