. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . irectly by variations in theload or pull upon the armature for varying 95said adjustable resistance, substantially as setforth. 3. The coiubination, with a dynamo or mag* 281 350 neto electric machine, the motor actuating thesame, and the belt connecting said machineand said motor, of means actuated by varia-tions in the tightness of such belt for regulat-5 ing the generation of current by said machine,substantially as set forth. 4. The combination, with the belt connect-ing the generator with the motor which actu-a
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . irectly by variations in theload or pull upon the armature for varying 95said adjustable resistance, substantially as setforth. 3. The coiubination, with a dynamo or mag* 281 350 neto electric machine, the motor actuating thesame, and the belt connecting said machineand said motor, of means actuated by varia-tions in the tightness of such belt for regulat-5 ing the generation of current by said machine,substantially as set forth. 4. The combination, with the belt connect-ing the generator with the motor which actu-ates it, of the arm carrying a wheel, bearingio on said belt, the spring holding saitl wheel against said belt, the contact-point carried bysaid arm, and the adjustable resistance in thefield-circuit of the generator, substantially asset forth. This specification signed and witnessed this13th day of November, 1882. TITOS. A. EDISON. Witnesses: H. W. Seely,Edward H. Pyatt. (No Model.) 3 Sheets—Sheet 1. T, A. EDISON. ELECTRICAL GENERATOR. No. 281,351. Patented July 17, (No Model.) ip EDISON 3 Sheets—Sheet 2. ELECTRICAL GENERATOR. No. 281,351. Patented July 17, 1883.
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
