THOMAS A. EDISON - TYPED LETTER SIGNED 06/23/1921 CO-SIGNED BY: WILLIAM A. HARDY - HFSID 87913

THOMAS ALVA EDISON, CO-SIGNED BY: WILLIAM A. HARDY
William A. Hardy, one of Thomas Edison's patent attorneys, signed this typed letter to Edison in 1921 listing patents on the chlorination of rubber. With a handwritten and signed note by Edison.
Typed letter signed "W. A. H" by Hardy in black ink and "E" by Edison in pencil. Blue pencil notations at upper right corner in unknown hand. 1 page, 8¼x10¾. June 23, 1921. This letter was sent to Edison by Hardy with a list of American patents, including patents on the chlorination of rubber Edison wrote a short reply: "Dont [sic] get any more patents on this subject". HARDY was a patent attorney in the legal office of Thomas A. Edison, Inc. EDISON (1847-1931, born in Milan, Ohio) patented more than a thousand inventions, including the incandescent electric lamp, phonograph (his favorite invention), mimeograph, alkaline storage battery and microphone. In 1890, he invented the Vitascope, and Edison is credited with establishing the standard of using 35mm film with four perforations on the edges. He produced talking motion pictures in 1913. In 1887, Edison had set up his facility dedicated to research and development in West Orange, New Jersey. By the following year, it was the world's largest scientific testing laboratory. His original laboratory, in Menlo Park, New Jersey, was removed to the Greenfield Village Museum in Dearborn, Michigan by his friend, Henry Ford, in 1929. Light toned, soiled and creased. Upper left corner is missing. Light tears at top, right and bottom edges. Staple holes in upper left corner. Lower edge is discolored. Two file holes at top edge. Tape residue at top right corner. Folded once horizontally and twice vertically and unfolded. Otherwise in fine condition.