International wireless telegraph convention concluded between Germany,
the United States of America, Argentina, Austria, Hungary, Belgium, Brazil, Bulgaria, Chile, Denmark, Spain, France, Great Britain, Greece, Italy, Japan, Mexico, Monaco, Norway, the Netherlands, Persia, Portugal, Roumania, Russia, Sweden, Turkey, and Uruguay.
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Item Link | Original Source |
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Full view | University of Michigan |
Full view | University of California |
Full view | University of California |
Full view | Harvard University |