. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . disks located outside ridof the magnetic field, substantially as set forth. 6. In a dynamo or magneto electric ma-chine, the combiuation,with the armature-core,of the cross connecting disks separated fromthe ends of such core, leaving air-spaces and 115removing disks from magnetic field, substan-tially as set forth. 7. In a dynamo or magneto electric ma-chine, the cross connecting disks having bev-eled edges, in combination with intermediate 120insulation, substantially as set forth. 8. In a dynamo or magneto electr
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . disks located outside ridof the magnetic field, substantially as set forth. 6. In a dynamo or magneto electric ma-chine, the combiuation,with the armature-core,of the cross connecting disks separated fromthe ends of such core, leaving air-spaces and 115removing disks from magnetic field, substan-tially as set forth. 7. In a dynamo or magneto electric ma-chine, the cross connecting disks having bev-eled edges, in combination with intermediate 120insulation, substantially as set forth. 8. In a dynamo or magneto electric ma-chine, the copper inductive bars wrapped withparchment-paper, substantially as set forth. 9. In a dynamo or magneto electric ma- 12^chine, the copper inductive bars having an in-sulation of mica and parchment-paper, sub-stantially as set forth. This specification signed and witnessed this24th day of August, 1881. THOS. A. EDISON. Witnesses: Bichd. ]ST. Dyer,H. W. Seely. (No Model.) T, A. EDISON. DYNAMO OR MAGNETO ELECTRIC MACHINE. No. 264,648. Patented Sept. 19, N. PETERS. Photo-Lithographer, Washington, p. C. United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. DYNAMO OR MAGNETO ELECTRIC MACHINE. SPECIFICATION forming part of Letters Patent No. 264,648, dated September 19, 1883, Application filed November 11, 1881. (No model.) To all whom it may concern: Be it known tbat I, Thomas A. Edison, ofMenlo Park, in the county of Middlesex andState of New Jersey, have invented a new and5 useful Improvement in Dynamo or MagnetoElectric Machines, (Case No. 351;) and I dohereby declare that the following is a full andexact description of the same, reference beinghad to the accompanying drawings, and to themo letters of reference marked thereon. The object I have in view is such an im-provement upon electrical generators and en-gines of the Pacinotti type that the inactiveportions of the bo
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