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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1447748.pdf | 745 kB | Shaun Ewing | Mar 06, 1923 00:00 |
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US-1447748-A // Method of and apparatus for operating synchronous telegraph systems // Benjamin George R. // Western Union Telegraph Co | |||
| Version 1 (current) | 745 kB | Shaun Ewing | Mar 06, 1923 00:00 | US-1447748-A // Method of and apparatus for operating synchronous telegraph systems // Benjamin George R. // Western Union Telegraph Co | ||||
| PDF File 1845992.pdf | 745 kB | Shaun Ewing | Feb 16, 1932 00:00 |
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US-1845992-A // High speed single current relay // Wise Raleigh J. // Western Union Telegraph Co | |||
| Version 1 (current) | 745 kB | Shaun Ewing | Feb 16, 1932 00:00 | US-1845992-A // High speed single current relay // Wise Raleigh J. // Western Union Telegraph Co | ||||
| PDF File 2046964.pdf | 744 kB | Shaun Ewing | Jul 07, 1936 00:00 |
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US-2046964-A // Signal conversion in telegraph systems // Nelson Crescent F. // Western Union Telegraph Co | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Jul 07, 1936 00:00 | US-2046964-A // Signal conversion in telegraph systems // Nelson Crescent F. // Western Union Telegraph Co | ||||
| PDF File 1834910.pdf | 742 kB | Shaun Ewing | Dec 01, 1931 00:00 |
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US-1834910-A // Call signal and motor control box for simplex printers // Blanton William B. // Western Union Telegraph Co | |||
| Version 1 (current) | 742 kB | Shaun Ewing | Dec 01, 1931 00:00 | US-1834910-A // Call signal and motor control box for simplex printers // Blanton William B. // Western Union Telegraph Co | ||||
| PDF File 2397559.pdf | 740 kB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397559-A // Facsimile signal inverter // O'Brien Frederic L. // Western Union Telegraph Co | |||
| Version 1 (current) | 740 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397559-A // Facsimile signal inverter // O'Brien Frederic L. // Western Union Telegraph Co | ||||
| PDF File 2394538.pdf | 739 kB | Shaun Ewing | Feb 12, 1946 00:00 |
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US-2394538-A // Telegraph repeater // Jr. William Stanley Westerman Edgar, // Western Union Telegraph Co | |||
| Version 1 (current) | 739 kB | Shaun Ewing | Feb 12, 1946 00:00 | US-2394538-A // Telegraph repeater // Jr. William Stanley Westerman Edgar, // Western Union Telegraph Co | ||||
| PDF File 1253889.pdf | 738 kB | Shaun Ewing | Jan 15, 1918 00:00 |
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US-1253889-A // Mechanical phase-corrector for multiplex-telegraph distributers. // Samuel W. Rothermel // Western Union Telegraph Co | |||
| Version 1 (current) | 738 kB | Shaun Ewing | Jan 15, 1918 00:00 | US-1253889-A // Mechanical phase-corrector for multiplex-telegraph distributers. // Samuel W. Rothermel // Western Union Telegraph Co | ||||
| PDF File 2278692.pdf | 737 kB | Shaun Ewing | Apr 07, 1942 00:00 |
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US-2278692-A // Facsimile signal inverter // Eller Keith B. // Western Union Telegraph Co | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Apr 07, 1942 00:00 | US-2278692-A // Facsimile signal inverter // Eller Keith B. // Western Union Telegraph Co | ||||
| PDF File 185507.pdf | 736 kB | Shaun Ewing | Dec 19, 1876 00:00 |
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US-185507-A // Improvement in electro-harmonic multiplex telegraphs // Thomas A. Edison, Of New Jbesey // Westeen Union Telegeaph Company. | |||
| Version 1 (current) | 736 kB | Shaun Ewing | Dec 19, 1876 00:00 | US-185507-A // Improvement in electro-harmonic multiplex telegraphs // Thomas A. Edison, Of New Jbesey // Westeen Union Telegeaph Company. | ||||
| PDF File 2351137.pdf | 735 kB | Shaun Ewing | Jun 13, 1944 00:00 |
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US-2351137-A // Telegraph apparatus // Long James W. // Western Union Telegraph Co | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Jun 13, 1944 00:00 | US-2351137-A // Telegraph apparatus // Long James W. // Western Union Telegraph Co | ||||
| PDF File 1784967.pdf | 735 kB | Shaun Ewing | Dec 16, 1930 00:00 |
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US-1784967-A // Single selector relay for pneumatic-tube systems // Mcguinness William V. // Western Union Telegraph Co | |||
| Version 1 (current) | 735 kB | Shaun Ewing | Dec 16, 1930 00:00 | US-1784967-A // Single selector relay for pneumatic-tube systems // Mcguinness William V. // Western Union Telegraph Co | ||||
| PDF File 1800056.pdf | 729 kB | Shaun Ewing | Apr 07, 1931 00:00 |
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US-1800056-A // Matching speed of receiving rotating element from telegraph code signals // Dirkes Robert F. // Western Union Telegraph Co | |||
| Version 1 (current) | 729 kB | Shaun Ewing | Apr 07, 1931 00:00 | US-1800056-A // Matching speed of receiving rotating element from telegraph code signals // Dirkes Robert F. // Western Union Telegraph Co | ||||
| PDF File 2270249.pdf | 728 kB | Shaun Ewing | Jan 20, 1942 00:00 |
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US-2270249-A // Retractile shelf structure // Birkmeyer Paul J. // Western Union Telegraph Co | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Jan 20, 1942 00:00 | US-2270249-A // Retractile shelf structure // Birkmeyer Paul J. // Western Union Telegraph Co | ||||
| PDF File 1985850.pdf | 726 kB | Shaun Ewing | Dec 25, 1934 00:00 |
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US-1985850-A // Drag conveyer // Beardsley Bruce // Western Union Telegraph Co | |||
| Version 1 (current) | 726 kB | Shaun Ewing | Dec 25, 1934 00:00 | US-1985850-A // Drag conveyer // Beardsley Bruce // Western Union Telegraph Co | ||||
| PDF File 2202156.pdf | 725 kB | Shaun Ewing | May 28, 1940 00:00 |
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US-2202156-A // Apparatus for laying submarine cables // Lawton Chester S. // Western Union Telegraph Co | |||
| Version 1 (current) | 725 kB | Shaun Ewing | May 28, 1940 00:00 | US-2202156-A // Apparatus for laying submarine cables // Lawton Chester S. // Western Union Telegraph Co | ||||
| PDF File 1160097.pdf | 724 kB | Shaun Ewing | Nov 09, 1915 00:00 |
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US-1160097-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Nov 09, 1915 00:00 | US-1160097-A // Telegraph-repeater. // William Finn // Western Union Telegraph Co | ||||
| PDF File 1773336.pdf | 724 kB | Shaun Ewing | Aug 19, 1930 00:00 |
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US-1773336-A // Central-battery duplex telegraph system // Atherton Albert // Western Union Telegraph Co | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Aug 19, 1930 00:00 | US-1773336-A // Central-battery duplex telegraph system // Atherton Albert // Western Union Telegraph Co | ||||
| PDF File 1814931.pdf | 723 kB | Shaun Ewing | Jul 14, 1931 00:00 |
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US-1814931-A // Switchboard signal system // Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Jul 14, 1931 00:00 | US-1814931-A // Switchboard signal system // Janson George W. // Western Union Telegraph Co | ||||
| PDF File 1980160.pdf | 721 kB | Shaun Ewing | Nov 13, 1934 00:00 |
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US-1980160-A // Projector for type bar printers // Benjamin George R. ; Long James W. // Western Union Telegraph Co | |||
| Version 1 (current) | 721 kB | Shaun Ewing | Nov 13, 1934 00:00 | US-1980160-A // Projector for type bar printers // Benjamin George R. ; Long James W. // Western Union Telegraph Co | ||||
| PDF File 2150440.pdf | 720 kB | Shaun Ewing | Mar 14, 1939 00:00 |
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US-2150440-A // Magnetic and resonator selector for carrier conveyers // Hargreaves William // Western Union Telegraph Co | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Mar 14, 1939 00:00 | US-2150440-A // Magnetic and resonator selector for carrier conveyers // Hargreaves William // Western Union Telegraph Co |
