. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . WITNESSES: O O o INVENTOR: OTA BY ATTORNEY. N. PETERS. Phpto-Uthagraptm. Washington. D. C. (No Model.) 3 Sheets—Sheet 2. T. A. EDISON, REGULATOR FOR DYNAMO ELECTRIC MACHINES. No. 264,661. Patented Sept. 19, 1882. WITNESSES:. BY INVENTOR: ATTORNEY 5. Photo-Lithographer. Washington, (No Model.) 3 Sheets—Sheet 3. T. A. EDISON. REGULATOR FOR DYNAMO ELECTRIC MACHINES. No. 264,661. Patented Sept. 19, 1882. 23

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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone