Category:Hearing aids of the 1930s

Media in category "Hearing aids of the 1930s"

The following 21 files are in this category, out of 21 total.

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  Ardent hearing aid.JPG 3,264 × 2,448; 636 KB
  
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  Mechanical hearing aids, London, England. Wellcome L0066070.jpg 3,946 × 2,832; 1.21 MB
  
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  Museum of Medicine Berlin Germany Telephone hearing aids.jpg 2,048 × 1,536; 600 KB
  
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  Vintage Acousticon Golden Tone Model 38 Carbon Hearing Aid, Made In USA, Instruction Booklet Copyright 1931 (39109745650).jpg 1,460 × 1,467; 1.36 MB
  
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  Vintage Acousticon Golden Tone Model 38 Carbon Hearing Aid, Made In USA, Instruction Booklet Copyright 1931 (40923252681).jpg 4,143 × 2,768; 2.6 MB
  
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  Vintage Acousticon Golden Tone Model 38 Carbon Hearing Aid, Made In USA, Measures 4.75 Inches Wide By 5.5 Inches Tall, Instruction Booklet Copyright 1931 (39109770530).jpg 2,297 × 2,298; 1.78 MB
  
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  Vintage Acousticon Hearing Aid By Dictograph Products Company, Bone Conduction, Made in the USA, Circa 1934 (12486155455).jpg 3,373 × 3,391; 2.96 MB
  
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  Vintage Ardente Carbon Hearing Aid, Model C5 II, Made in England, Mr. R.H. Dent, Circa 1930 (11091842596).jpg 3,615 × 3,269; 2.95 MB
  
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  Vintage Ardente Carbon Hearing Aid, Model C5 II, Made in England, Mr. R.H. Dent, Circa 1930 (11091913376).jpg 3,510 × 3,224; 2.51 MB
  
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  Vintage Ardente Carbon Hearing Aid, Model C5 II, Made in England, Mr. R.H. Dent, Circa 1930 (11091951314).jpg 3,603 × 3,422; 3.96 MB
  
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  Vintage DeForest Audiphone Carbon Hearing Aid Microphone, Battery Connetion and Tom Thumb Earpieces (14224592755).jpg 3,426 × 3,060; 3.49 MB
  
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  Vintage DeForest Audiphone Carbon Hearing Aid, Circa 1933 (14222266802).jpg 2,184 × 2,156; 2.29 MB
  
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  Vintage Gem Model 30 Standard Carbon Hearing Aid, Made In USA, Circa 1935, Pictured Are the Carrying Case, Battery With Extension Cord, Microphone And Earphone (27803557434).jpg 2,059 × 2,285; 1.91 MB
  
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  Vintage Gem Model 30 Standard Carbon Hearing Aid, Made In USA, Circa 1935, Pictured Are the Carrying Case, Battery With Extension Cord, Microphone And Earphone (Without Metal Headband) (38490486971).jpg 1,805 × 1,874; 1.89 MB
  
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  Vintage Gem Model 32 Carbon Hearing Aid In Carrying Case, Measures 7.5 Inches Wide, Made In USA, Circa 1935 (40885131362).jpg 4,010 × 2,675; 2.95 MB
  
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  Vintage Gem Model 32 Carbon Hearing Aid, Made In USA, Circa 1935 (40885151322).jpg 2,916 × 2,087; 1.31 MB
  
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  Vintage Sonotone Carbon Hearing Aid, Model Number Unknown, Shown Without A Battery, Made In USA, Circa 1930s (40991292082).jpg 3,055 × 3,058; 4.16 MB
  
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  Vintage Sonotone Model 400 Carbon Hearing Aid With Bone Conduction Transducer, Circa 1932 (13315925914).jpg 2,257 × 1,725; 1.24 MB
  
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  Vintage Sonotone Model 400 Carbon Hearing Aid, Double Microphone In Tortoise Shell Case, Circa 1932 (13315527575).jpg 3,239 × 2,315; 2.03 MB
  
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  Vintage Sonotone Model 451 Carbon Hearing Aid, Circa 1937 (16771506236).jpg 3,201 × 2,393; 2.5 MB
  
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  Vintage Sonotone Model 451 Carbon Hearing Aid, Circa 1937 (16796258611).jpg 2,781 × 3,246; 3.18 MB