LC control no. | no2011042432 |
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Personal name heading | Vogt, Hans, 1890-1979 |
Found in | Die Erfindung des Tonfilms, c1954: t.p. (Hans Vogt) Library of Congress database, Mar. 17, 2011 (hdg.: Vogt, Hans, 1890-) Wikipedia, Mar. 17, 2011: Tri-ergon (the Tri-Ergon sound-on-film system was patented from 1919 on by German inventors Josef Engl (1893-1942), Hans Vogt (1890-1979) and Joseph Massolle (1889-1957)) |