. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . ting device causes acorresponding increase in the energy of thefield-magnet, substantially as set forth. 3. The combination of a multiple-arc circuitcontaining a portion of the coils of the field- 75magnet of a dynamo-electric machine, a mul-tiple-arccircuit containing thearmatureof saidmachine, and multiple-arc circuits containinglamps or other translating devices, all suchmultiple-arc circuits being derived from the 80same main conductors, and another field-cir-cuit whose resistance is varied by the additionand re
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . ting device causes acorresponding increase in the energy of thefield-magnet, substantially as set forth. 3. The combination of a multiple-arc circuitcontaining a portion of the coils of the field- 75magnet of a dynamo-electric machine, a mul-tiple-arccircuit containing thearmatureof saidmachine, and multiple-arc circuits containinglamps or other translating devices, all suchmultiple-arc circuits being derived from the 80same main conductors, and another field-cir-cuit whose resistance is varied by the additionand removal of translating devices, wherebythe addition or removal of any translating de-vice causes an instant and corresponding reg- 85ulation of the current energiziug thefield-mag-net of the machine, substantially as set forth. This specification signed and witnessed this10th day of February, 1882. THOMAS A. EDISON. Witnesses: H. W. Seely,Samuel Instjll. (No Model.) 2 Sheets—Sheet 1. T. A. EDISON. REGULATOR FOR DYNAMO ELECTRIC MACHINES. No. 264,669. Patented Sept. 19, ATTORNEY . N. PETERS. Photo-LHhographar. Washington. D. C. (No Model.) 2 Sheets—Sheet 2. T. A. EDISON. REGULATOR FOR DYNAMO ELECTRIC MACHINES. No. 264,669. Patented Sept. 19, 1882.
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
