International wireless telegraph convention concluded between Germany, U.S.A, Argentina, Austria, Hungary, Belgium, Brazil, Bulgaria, Chile, Denmark, Spain, France, Great Britain, Greece, Italy, Japan, Mexico, Monaco, Norway, Netherlands, Persia, Portugal, Roumania, Russia, Sweden, Turkey, and Uruguay
Contributors: United States. Navy Dept. Bureau of Equipment.
Publisher: U.S. G.P.O.
Published: 1907
Place of publication: [Washington?]
Format: Microform
Subjects: Telegraph.