Edison's Laboratory, Greenfield Village

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68-Edison's Laboratory Greenfield Village Dearborn MMich,

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Theurs 21920N In 1876 Thomas A. Edison built a two story clapboard structure in Menlo Park, N. J., d ER Here he spent the made it his laboratory. greater part of his time and perfected most bf ris greatest inventions including that of the PA 50 first practical incandescent electric light, the phonograph, carbon telephone transmitter, the - RM first low resis.ance dynamo and the first com mercial electric motor on 110 volt circuit. 7940 et 72 U u. aruve 4 P, M, Hard rain puterday & flirds Char. Realing terte Torre up from mechina New Castle, Miss Coule & Troutman nire & near Lue Char. NEWS CO., DETROIT, MICH.-MADE IN U.S.A.—- Wheature College Wheaton Ill.