File:US22770 David E. Hughes Patent.pdf
US22770_David_E._Hughes_Patent.pdf (file size: 743 KB, MIME type: application/pdf)
Summary
Be it known that I, David E. Hughess, of New York, county of New York, and State of New York, have invented certain new and useful Improvements in Telegraphing Machines; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being made to the annexed drawings, making a part of this specification. Figure I is a side elevation. Fig. II is an end elevation. Figs. III, IV, V, VI, and VII are of parts in detail, and similar letters indicate similar parts throughout. My invention consists in certain improvements in printing-telegraph instruments, said improvements having for their object the rendering the instrument more certain in its action in several particulars.
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Date/Time | Dimensions | User | Comment | |
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current | 17:17, 12 December 2019 | (743 KB) | Hswarford (talk | contribs) | Be it known that I, David E. Hughess, of New York, county of New York, and State of New York, have invented certain new and useful Improvements in Telegraphing Machines; and I do hereby declare that the following is a full, clear, and exact descriptio... |
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