. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . N. PETERS. Photo-Lithograph or. Washington. D. C. (No Model.) 2 Sheets—Sheet 2. T. A. EDISON. REGULATOR FOR DYNAMO ELECTRIC MACHINES. No. 281,349. Patented July 17, 1883. 3 19 3 J>9 a 3A 666 ~n >l -rx° S19 9^ S *19 a- 3 IS / t r 3 29 r 3 * 19 I --?•??- i 3 19I 666 8*19 S*19 -9 9P 99 9 5*4 666 4k *19. M o- 6—©-- 3 *-/.? 3*19 999 3 lit o-
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
