. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . United States Patent Office, THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO TIIEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. MAGNETO-ELECTRIC MACHINE. SPECIFICATION forming part of Letters Patent No. 264,643, dated September 19, 1882. Application filed May 12, 1879. Patented in Belgium June 16, 1879, No. 48,341; in England June 17, 1879, No, 2,402; in Italy June23,1879; in Victoria August 16, 1879, No. 2,685; in France August 25,1879, No. 130,910; in Sweden September 24, 1879 ; in SpainOctcber 4 1879;

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. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . United States Patent Office, THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO TIIEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. MAGNETO-ELECTRIC MACHINE. SPECIFICATION forming part of Letters Patent No. 264,643, dated September 19, 1882. Application filed May 12, 1879. Patented in Belgium June 16, 1879, No. 48,341; in England June 17, 1879, No, 2,402; in Italy June23,1879; in Victoria August 16, 1879, No. 2,685; in France August 25,1879, No. 130,910; in Sweden September 24, 1879 ; in SpainOctcber 4 1879; in Norway January 20,1880; in Austria-Hungary January 22,1880; in Denmark Juue 11,1830, and in GermanyFebruary 7,1881, No. 12,033. To all whom it may concern: Be it known that I, Thomas Alva Edison,of Menlo Park, in the State of New Jersey,have invented an Improvement in Magneto- 5 Electric Machines, (Case No. 177,) of whichthe following is a specification. In this machine I employ a cylinder the sur-face of which is covered with a coil of wirewound arouud it lengthwise an

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