. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . the highest resistancebeing in circuit when the current-collectorleaves a bar, substantially as set forth. 3. In a dynamo-electric machine, the divid- 100 2 291 ed commutator-bars, all the divisions of a barbeing connected at the same point to the ar-mature-coils, substantially as set forth. 4. In a dynamo-electric machine, the com-bination, with the armature-coils and the com-mutator - bars, of connecting - strips of high-resistance material between them, substan-tially as set forth. 5. In a dynamo-electric machine
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . the highest resistancebeing in circuit when the current-collectorleaves a bar, substantially as set forth. 3. In a dynamo-electric machine, the divid- 100 2 291 ed commutator-bars, all the divisions of a barbeing connected at the same point to the ar-mature-coils, substantially as set forth. 4. In a dynamo-electric machine, the com-bination, with the armature-coils and the com-mutator - bars, of connecting - strips of high-resistance material between them, substan-tially as set forth. 5. In a dynamo-electric machine, the com-bination of the divided commutator-bars, the 1,955 armature-coils, and the connecting-pieces ofhigh-resistance material, all the divisions of abar being connected at the same point to thearmature-coils, substantially as set forth. This specification signed and witnessed this i15th day of November, 1883. THOS. A. EDISON. Witnesses: H. W. Seely,Edward H. Pyatt. (No Model.) T. A. EDISON. MODE OF OPERATING DYNAMO ELECTRIC MACHINES. No. 298,956. Patented May 20,
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
