File:Pneumatic larynx.jpg
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Pneumatic_larynx.jpg (247 × 320 pixels, file size: 25 KB, MIME type: image/jpeg)
Pneumatic Larynx
Credit: Fletcher, Harvey, Bell Telephone Laboratories, Inc. 1929
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:53, 13 January 2017 | 247 × 320 (25 KB) | Zuzana Rybaříková (talk | contribs) | Pneumatic Larynx Credit: Fletcher, Harvey, Bell Telephone Laboratories, Inc. 1929 Source: http://www.drshute.com/archives/2004_08.html |
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