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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1845979.pdf | 505 kB | Shaun Ewing | Feb 16, 1932 00:00 |
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US-1845979-A // Preventing feed-back in amplifier tubes having common plate supply // Hyneman John R. // Western Union Telegraph Co | |||
| Version 1 (current) | 505 kB | Shaun Ewing | Feb 16, 1932 00:00 | US-1845979-A // Preventing feed-back in amplifier tubes having common plate supply // Hyneman John R. // Western Union Telegraph Co | ||||
| PDF File 196248.pdf | 504 kB | Shaun Ewing | Oct 16, 1877 00:00 |
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US-196248-A // Improvement in quadruplex telegraphs // Heney C.. Nicholson, Op Ky. // The Westeen Union Telegraph Company, Op New York City. | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Oct 16, 1877 00:00 | US-196248-A // Improvement in quadruplex telegraphs // Heney C.. Nicholson, Op Ky. // The Westeen Union Telegraph Company, Op New York City. | ||||
| PDF File 1686492.pdf | 502 kB | Shaun Ewing | Oct 02, 1928 00:00 |
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US-1686492-A // Call-box trouble detector // Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 502 kB | Shaun Ewing | Oct 02, 1928 00:00 | US-1686492-A // Call-box trouble detector // Janson George W. // Western Union Telegraph Co | ||||
| PDF File 2125670.pdf | 501 kB | Shaun Ewing | Aug 02, 1938 00:00 |
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US-2125670-A // Duplex balance indicator // Fluharty William G. // Western Union Telegraph Co | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Aug 02, 1938 00:00 | US-2125670-A // Duplex balance indicator // Fluharty William G. // Western Union Telegraph Co | ||||
| PDF File 2287942.pdf | 501 kB | Shaun Ewing | Jun 30, 1942 00:00 |
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US-2287942-A // Electronic amplifier // Nelson Dale H. ; Buckingham William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Jun 30, 1942 00:00 | US-2287942-A // Electronic amplifier // Nelson Dale H. ; Buckingham William D. // Western Union Telegraph Co | ||||
| PDF File 2278654.pdf | 499 kB | Shaun Ewing | Apr 07, 1942 00:00 |
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US-2278654-A // Inductor alternator // Homer Edward C. ; Buckingham William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 499 kB | Shaun Ewing | Apr 07, 1942 00:00 | US-2278654-A // Inductor alternator // Homer Edward C. ; Buckingham William D. // Western Union Telegraph Co | ||||
| PDF File 2117773.pdf | 499 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117773-A // Outlet molding // Steinmetz Alfred A. // Western Union Telegraph Co | |||
| Version 1 (current) | 499 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117773-A // Outlet molding // Steinmetz Alfred A. // Western Union Telegraph Co | ||||
| PDF File 1607473.pdf | 498 kB | Shaun Ewing | Nov 16, 1926 00:00 |
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US-1607473-A // Duplexing loaded submarine cable // Milnor Joseph W. // Western Union Telegraph Co | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Nov 16, 1926 00:00 | US-1607473-A // Duplexing loaded submarine cable // Milnor Joseph W. // Western Union Telegraph Co | ||||
| PDF File 1936956.pdf | 497 kB | Shaun Ewing | Nov 28, 1933 00:00 |
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US-1936956-A // Combined perforating and printing mechanism // Rothermel Samuel W. // Western Union Telegraph Co | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Nov 28, 1933 00:00 | US-1936956-A // Combined perforating and printing mechanism // Rothermel Samuel W. // Western Union Telegraph Co | ||||
| PDF File 420594.pdf | 496 kB | Shaun Ewing | Feb 04, 1890 00:00 |
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US-420594-A // edison // Thomas A. Edison, Of New Jersey // Western Union Telegraph Co, Of New York, N. Y. | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Feb 04, 1890 00:00 | US-420594-A // edison // Thomas A. Edison, Of New Jersey // Western Union Telegraph Co, Of New York, N. Y. | ||||
| PDF File 2195394.pdf | 496 kB | Shaun Ewing | Apr 02, 1940 00:00 |
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US-2195394-A // Tape controlled contact device // Anderson James N. // Western Union Telegraph Co | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Apr 02, 1940 00:00 | US-2195394-A // Tape controlled contact device // Anderson James N. // Western Union Telegraph Co | ||||
| PDF File 2350417.pdf | 493 kB | Shaun Ewing | Jun 06, 1944 00:00 |
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US-2350417-A // Supply roll for blank sheets // Ridings Garvice H. // Western Union Telegraph Co | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Jun 06, 1944 00:00 | US-2350417-A // Supply roll for blank sheets // Ridings Garvice H. // Western Union Telegraph Co | ||||
| PDF File 1931789.pdf | 492 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931789-A // Speed-counting stroboscope // Dickey Albert W. // Western Union Telegraph Co | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931789-A // Speed-counting stroboscope // Dickey Albert W. // Western Union Telegraph Co | ||||
| PDF File 126329.pdf | 492 kB | Shaun Ewing | Apr 30, 1872 00:00 |
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US-126329-A // Improvement in printing-telegraphs // Geoege M. Phelps, Of E. D. New Yoek // Westeen Union Telegeaph Company. | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Apr 30, 1872 00:00 | US-126329-A // Improvement in printing-telegraphs // Geoege M. Phelps, Of E. D. New Yoek // Westeen Union Telegeaph Company. | ||||
| PDF File 2154379.pdf | 491 kB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2154379-A // Method of and apparatus for testing relays // Estes Phillip H. // Western Union Telegraph Co | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2154379-A // Method of and apparatus for testing relays // Estes Phillip H. // Western Union Telegraph Co | ||||
| PDF File 2046984.pdf | 489 kB | Shaun Ewing | Jul 07, 1936 00:00 |
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US-2046984-A // Interpolating circuit // Wilder Harold F. // Western Union Telegraph Co | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Jul 07, 1936 00:00 | US-2046984-A // Interpolating circuit // Wilder Harold F. // Western Union Telegraph Co | ||||
| PDF File 2173534.pdf | 489 kB | Shaun Ewing | Sept 19, 1939 00:00 |
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US-2173534-A // Automatic recording margin indicator // Erickson George L. ; Daley Dorothy // Western Union Telegraph Co | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Sept 19, 1939 00:00 | US-2173534-A // Automatic recording margin indicator // Erickson George L. ; Daley Dorothy // Western Union Telegraph Co | ||||
| PDF File 1673422.pdf | 487 kB | Shaun Ewing | Jun 12, 1928 00:00 |
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US-1673422-A // Portable testing set for measuring line induction // Reisz Charles T. // Western Union Telegraph Co | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Jun 12, 1928 00:00 | US-1673422-A // Portable testing set for measuring line induction // Reisz Charles T. // Western Union Telegraph Co | ||||
| PDF File 2212554.pdf | 485 kB | Shaun Ewing | Aug 27, 1940 00:00 |
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US-2212554-A // Voltage regulating system // Steinmetz Alfred A. ; Ward Harley M. // Western Union Telegraph Co | |||
| Version 1 (current) | 485 kB | Shaun Ewing | Aug 27, 1940 00:00 | US-2212554-A // Voltage regulating system // Steinmetz Alfred A. ; Ward Harley M. // Western Union Telegraph Co | ||||
| PDF File 2248857.pdf | 485 kB | Shaun Ewing | Jul 08, 1941 00:00 |
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US-2248857-A // Automatic bias corrector // Erickson George L. ; Boughtwood John E. // Western Union Telegraph Co | |||
| Version 1 (current) | 485 kB | Shaun Ewing | Jul 08, 1941 00:00 | US-2248857-A // Automatic bias corrector // Erickson George L. ; Boughtwood John E. // Western Union Telegraph Co |
