![File:Sound powered telephone.jpg](https://upload.wikimedia.org/wikipedia/commons/e/e2/Sound_powered_telephone.jpg)
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Licensing
Public domainPublic domainfalsefalse
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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- 2009-03-21 03:19 Ingolfson 300×331× (66493 bytes) Enlarged version to allow standard Wikimedia thumbnail sizes.
- 2007-01-04 02:29 Rex07 241×266× (12846 bytes) DoD photo by Petty Officer 2nd Class Jonathan Kulp, Released to public and available for download.
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| Date/Time | Thumbnail | Dimensions | User | Comment |
current | 15:06, 23 September 2011 | ![Thumbnail for version as of 15:06, 23 September 2011](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Sound_powered_telephone.jpg/109px-Sound_powered_telephone.jpg) | 300 × 331 (65 KB) | commons>File Upload Bot (Magnus Manske) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|DoD photo by Petty Officer 2nd Class Jonathan Kulp, Released to public and available for download.}} |S |
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