France1978:
Vintage Acousticon Model A-145 Vacuum Tube (Body) Hearing Aid, Made In England, Circa 1948
France1978:
Vintage Acousticon Model A-145 Vacuum Tube (Body) Hearing Aid, Made In England, Circa 1948
France1978:
Vintage Acousticon Model SRB Carbon Hearing Aid By General Acoustic Company, Made In USA From 1910 - 1928
France1978:
Vintage Advertising For The Acousticon Hearing Aid Gainmeter Model A-10, Dictograph Products Co., The San Bernardino California County Sun, August 16, 1965
France1978:
Vintage Acousticon Hearing Aid Gainmeter Model A-10, Dictograph Products Co., Two-Piece Unit, Visually Graphs A Hearing Aid's Performance, Circa 1960s
France1978:
Carrying Case For The Vintage Acousticon Silver Anniversary Model 28 Carbon Hearing Aid, Made In USA, Circa 1928
France1978:
Vintage Acousticon Silver Anniversary Model 28 Carbon Hearing Aid, Made In USA, Circa 1928
France1978:
Instruction Booklet For The Vintage Acousticon Silver Anniversary Model 28 Carbon Hearing Aid, Circa 1928
France1978:
Vintage Miniature Acousticon Model A220 Transistor (Body) Hearing Aid, Made In USA, Circa 1955
France1978:
Vintage Acousticon Hearing Aid Ad - The Leavenworth Kansas Times, April 29, 1910
France1978:
Vintage Acousticon Hearing Aid Ad, The New York Times, May 3, 1914
France1978:
Vintage Acousticon Model SRD Dual Microphone Carbon Hearing Aid, Manufactured Between 1910 And 1928 By The General Acoustic Company
France1978:
Vintage Acousticon Model SRD Dual Microphone Carbon Hearing Aid, Manufactured Between 1910 And 1928 By The General Acoustic Company
France1978:
Vintage Acousticon Model SRD Dual Microphone Carbon Hearing Aid, Manufactured Between 1910 And 1928 By The General Acoustic Company
France1978:
Vintage Acousticon Model SRD Dual Microphone Carbon Hearing Aid, Manufactured Between 1910 And 1928 By The General Acoustic Company
France1978:
Vintage Monarch Coronet Model M20 Transistor (Body) Hearing Aid By Acousticon, Made In USA, Circa 1961
France1978:
Instruction Booklet For Vintage Acousticon Carbon Hearing Aid - The Acousticon, Type P.I., Made In USA, Sold By The Hutchinson Acoustic Company, Circa 1904 - 1905
France1978:
Vintage Acousticon Carbon Hearing Aid - The Acousticon, Type P.I., Made In USA, Sold By The Hutchinson Acoustic Company, Circa 1904 - 1905
France1978:
Vintage Acousticon Carbon Hearing Aid - The Acousticon, Type P.I., Made In USA, Sold By The Hutchinson Acoustic Company, Circa 1904 - 1905
France1978:
Vintage Acousticon Model A-160 Vacuum Tube (Body) Hearing Aid, Made In USA, Circa 1949
France1978:
Vintage Acousticon Model A-160 Vacuum Tube (Body) Hearing Aid, Made In USA, Circa 1949
France1978:
Vintage Acousticon Model 28 Silver Anniversary Model Carbon Hearing Aid, Circa 1928
France1978:
Vintage Acousticon Model A-120 (Constellation) Vacuum Tube Hearing Aid, 3 Vacuum Tubes, Made In USA, Circa 1948
France1978:
Rear View - Vintage Acousticon Model A-120 (Constellation) Vacuum Tube Hearing Aid, 3 Vacuum Tubes, Made In USA, Circa 1948
France1978:
Vintage Acousticon Model A-55 Symphonic Vacuum Tube Hearing Aid, Made In USA, Circa 1942-1945
France1978:
Vintage Acousticon Model A-55 Symphonic Vacuum Tube Hearing Aid, Made In USA, Circa 1942-1945
France1978:
Vintage Acousticon Model A-90 "Imperial" Vacuum Tube (Body) Hearing Aid, Anodized Aluminum Case, Circa 1947
France1978:
Vintage Acousticon Model A-90 Vacuum Tube (Body) Hearing Aid, Model A-90 "Imperial", Anodized Aluminum Case, Measures 4-1/16 x 2-3/8 x 3/4", Circa 1947
France1978:
Vintage Acousticon Tube (Body) Hearing Aid, Model A-69.50, Aluminum Case, Made In USA, Circa 1950
France1978:
Vintage Acousticon Vacuum Tube (Body) Hearing Aid, Model A-69.50, Aluminum Case, Made In USA, Circa 1950
