File:1910 aircraft intercom - Two tubes for duplex send and receive.jpg
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Summary
| Description |
English: Front page of Le Petit Journal in 21 August 1910. Showing French air-force ready to deter hostile advances, and equipped with intercom - two tubes for full duplex send and receive. |
| Date | |
| Source | Le Petit Journal, defunct French Newspaper, 21 August 1910. Image 0ver 100 years old - Internet Gallica National Library of France |
| Author | Staff artist of Le Petit Journal, - over 100 years old. |
Licensing
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:11, 20 January 2013 | | 1,024 × 1,527 (277 KB) | Chienlit | User created page with UploadWizard |
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