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Title: print. Portrait: Valdemar Poulsen 1869-1942. - 1964. - etchi [Go to resource]
Description: print. Portrait: Valdemar Poulsen 1869-1942. - 1964. - etching. HS, with text note in French License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: print
portraitTemporal: 1955-1964 Source: Science Museum Creator: International Telecommunication Union Identifier: 1982-1382/25 Go to resource More Like this...
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