Image:1905tim6.jpg
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Automatic time signal clocks in use in 1905 to coordinate time with the United States Naval Observatory by telegraphy. Scanned from page 24 of the May, 1905 issue of The Technical World Magazine, Chicago, Illinois, USA, originally published to the Web at http://earlyradiohistory.us/1905tim.htm
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 16:37, 30 May 2005 | 245×289 (13 KB) | Ihcoyc (Talk | contribs) | (Automatic time signal clocks in use in 1905 to coordinate time with the United States Naval Observatory by telegraphy. Scanned from a 1905 magazine, originally published to the Web at http://earlyradiohistory.us/1905tim.htm {{PD}}) |
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