File:WE 631b Microphone (Courtesy, NWA History Centre, Inc.) back.JPG
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The back side of the Western Electric Model 631b microphone which was used by Northwest Airlines. Earhart's Electra was equipped with the same model carbon type microphone. (Courtesy: NWA History Centre, Inc.)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:26, 13 June 2011 | 480 × 640 (138 KB) | Rickerjones (talk | contribs) | The back side of the Western Electric Model 631b microphone which was used by Northwest Airlines. Earhart's Electra was equipped with the same model carbon type microphone. (Courtesy: NWA History Centre, Inc.) |
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