Featured 30 Aug 2006 Print
EDISON & STEINMETZ, 1922. American inventor, Thomas Alva Edison (1847-1931)
EDISON & STEINMETZ, 1922.
American inventor, Thomas Alva Edison (1847-1931), and German-American electrical engineer, Charles P. Steinmetz (1865-1923), in the latter's laboratory at Schenectady, New York, on 18 October 1922
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