. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . neto or dy- 50namo electric machines having its generativeportion composed of coils or bars placed lon-gitudinally upon the core and parallel with itsaxis of rotation, and having its ends formed ofradial plates, oue for and connected to each 55coil or bar, substantially as set forth. 2. The combination, in an armature for mag-neto and dynamo electric machines, of radialplates and circular connecting-plates, substan-tially as and for the purpose set forth. 60 3. An armature for dynamo or magneto elec-tric machines ha


. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . neto or dy- 50namo electric machines having its generativeportion composed of coils or bars placed lon-gitudinally upon the core and parallel with itsaxis of rotation, and having its ends formed ofradial plates, oue for and connected to each 55coil or bar, substantially as set forth. 2. The combination, in an armature for mag-neto and dynamo electric machines, of radialplates and circular connecting-plates, substan-tially as and for the purpose set forth. 60 3. An armature for dynamo or magneto elec-tric machines having ends formed of conduct-ing-plates, arranged as described, and with itsactive or generative portions removably at-tached to the plates, substantially as set forth. 65 4. An armature for dynamo or magneto elec-tric machines having its active or generativeportions made of naked bars or ribbons ofmetal, substantially as and for the purpose setforth. 70 This specification signed and witnessed this11th day of December, 1880. THOS. A. EDISOK Witnesses: H. W. Seely,Wi. Carman,. (No Model.) No. 242,899. T. A. Lighting. Patented June 14, 1881.


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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone