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Acousticon Model A-45 Vacuum Tube
Hearing Aid (1940) (H113, H114) |
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Acousticon Model A-55
(Symphonic) Vacuum Tube
Hearing Aid (1942) (H112, H115, H116, H117, B3 B7) |
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Acousticon Model A-90
"Imperial" 2-piece) Vacuum Tube
Hearing Aid (1947) (H109) |
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Acousticon Model A-90
"Imperial" (1-piece) Vacuum Tube
Hearing Aid (1947) (B543) |
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Acousticon Model A-90M
(Imperial) Vacuum Tube
Hearing Aid (1948) (H161, B4) |
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Acousticon Model A-100
(Imperial) Vacuum Tube
Hearing Aid (1947) (H162) |
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Acousticon Model A-120
(Constellation) Vacuum Tube
Hearing Aid (1948) (H164, H165) |
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Acousticon Model A-120B Vacuum Tube
Hearing Aid (1948) (B413) |
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Acousticon Model A-130
"Constellation" Vacuum Tube
Hearing Aid (1948) (B326) |
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Acousticon Model A-145 (Super-X-Ear) Vacuum Tube
Hearing Aid (1948) (H163) |
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Acousticon Model A-15 Vacuum Tube
Hearing Aid (1948) (B278) |
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Acousticon Model A-150
(International) Vacuum Tube
Hearing Aid (1949) (H110, B5) |
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Acousticon Model A-160
(International) Vacuum Tube
Hearing Aid (1949) (H166) |
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Acousticon Model A-17 Vacuum Tube Hearing Aid
(1950) (H167) |
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Acousticon Model A-152 Vacuum Tube Hearing Aid
(1950) (H111, B291) |
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Acousticon Model A-165 Vacuum Tube
(Wrist-worn) Hearing Aid
(1950) (H168, B6, B329) |
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Acousticon Model A-69.50 Vacuum Tube Hearing Aid
(1950) (H169) |
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Acousticon Model A-180 "Golden Jubilee" Vacuum Tube Hearing Aid
(1952) (H170, B319) |
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Acousticon Model A-185 Vacuum Tube Hearing Aid
(1952) (H171) |
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