Author:
The Aerogram, November, 1908 issue
(Life time: The Aerogram)
Source:
Original publication: The Aerogram
Immediate source: Photograph of Harry Shoemaker. Scan I made from my personal copy of the magazine issue in which it appeared: page 127 of the November, 1908 issue (Volume III, number 6) of The Aerogram, in the article "American Development of the Wireless Telegraph" by Robert Matthews.
License:
PD US
PD US expired
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