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This photo that dates to the time of World War I shows a wireless telegraph station on a U.S.
UMG25A01_123

This photo that dates to the time of World War I s...

Naval training station, [Newport, R.I.], learning how to use a wireless telegraph ca. between 1909 and 1940
UMG22A13_285

Naval training station, [Newport, R.I.], learning ...

Radio Craft: Mobile Radio Station 1944
UMG20A37_424

Radio Craft: Mobile Radio Station 1944

Wireless Telegraph Transmit
UMG20A19_309

Wireless Telegraph Transmit