Identifier: CollectionUniteVol2Edis (find matches)
Title: Collection of United States patents granted to Thomas A. Edison, 1869-1884
Year: 1869 (1860s)
Authors: Edison, Thomas A. (Thomas Alva), 1847-1931 Peters, N. (Norris), lithographer Hammer, William Joseph, 1858-1934, former owner. DSI Edison, Thomas A. (Thomas Alva), 1847-1931, inscriber. DSI United States. Patent Office
Subjects: Catalogs Patents Edison, Thomas A. (Thomas Alva), 1847-1931 Inventions Telegraph Electric machinery Electric apparatus and appliances Phonograph Telephone Motors Catalogs Patents Catalogs Patents Catalogs
Publisher: Washington, D.C. : U.S. Patent Office
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
, bar F, pawls h h, stops% V, springs jf, ratchet-wheel H, type-wheel T,and standards A K, all constructed, arranged,and operating substantially as and for the pur-pose herein specified. 6. The roller t, serrated wheel pawl s.,ratchet-wheel r, click x, and standard p, incombination with the polarized magnet E andthe electro - magnet M, and their appurte-nances, for the purpose set forth. 7. The screw-stops d d upon the standardA, in combination with the type-wheel T, sub-stantially as herein specified. 8. The arrangement of the tongue C in theslot b of the permanent magnet K S by meansof a pivot, a, and screw c, whereby the induct-ive magnetic influence of the permanent mag-net 1ST S upon the tongue 0 is greatly increased,substantially as herein set forth. FEANK L. POPE.THOMAS A. EDISON. Witnesses: M. M. Livingston,T. B. Beecher. P. L. POPE I T. A. EDISON. - Assignors by mesne assignments to the Gold and Stock Telegraph Company. PRINTING TELEGRAPH.No. 7,621. c Reissued April 17, 1877.
Text Appearing After Image:
n. peters, photo-Lithographer, Washington, d c United States Patent Office, FRANK L. POPE, OP ELIZABETH, AND THOMAS A. EDISON, OF MENLO PAEK,NEW JERSEY, ASSIGNORS, BY MESNE ASSIGNMENTS, TO THE GOLD ANDSTOCK TELEGRAPH COMPANY. IMPROVEMENT IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 102,320, dated April 26, 1870; reissue No. 7,621, datedApril 17, 1877 ; application filed March 21, 1877. To all whom it may concern: Be it known that we, Prank L. Pope, ofElizabeth, in the county of Union, and Thom-as A. Edison, now of Meulo Park, in thecounty of Middlesex, both iu the State of NewJersey, have invented certain new and usefulImprovements iu Printing-Telegraphs, whichimprovements are fully set forth in the follow-ing specification, reference being had to theaccompanying drawings: Our invention relates to that class of print-ing-telegraph instruments iu which the type-wheel is caused to rotate by means of a step-by-step escapement actuated or controlled bythe armat

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