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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2216545.pdf | 1.00 MB | Shaun Ewing | Oct 01, 1940 00:00 |
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US-2216545-A // System for eliminating crossfire in telegraphic circuits // Cannon William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Oct 01, 1940 00:00 | US-2216545-A // System for eliminating crossfire in telegraphic circuits // Cannon William D. // Western Union Telegraph Co | ||||
| PDF File 2213392.pdf | 451 kB | Shaun Ewing | Sept 03, 1940 00:00 |
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US-2213392-A // Discharge deflector for belt conveyer systems // Griffith Francis // Western Union Telegraph Co | |||
| Version 1 (current) | 451 kB | Shaun Ewing | Sept 03, 1940 00:00 | US-2213392-A // Discharge deflector for belt conveyer systems // Griffith Francis // Western Union Telegraph Co | ||||
| PDF File 2212947.pdf | 1.28 MB | Shaun Ewing | Aug 27, 1940 00:00 |
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US-2212947-A // Control for tape pullers // Myer Percy L. ; Wheeler Evan R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Aug 27, 1940 00:00 | US-2212947-A // Control for tape pullers // Myer Percy L. ; Wheeler Evan R. // Western Union Telegraph Co | ||||
| PDF File 2212634.pdf | 453 kB | Shaun Ewing | Aug 27, 1940 00:00 |
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US-2212634-A // Relay testing method and apparatus // Buckingham William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 453 kB | Shaun Ewing | Aug 27, 1940 00:00 | US-2212634-A // Relay testing method and apparatus // Buckingham William D. // 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 2212548.pdf | 1.28 MB | Shaun Ewing | Aug 27, 1940 00:00 |
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US-2212548-A // Telegraph keyboard mechanism // Noxon Paul A. ; Miller George F. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.28 MB | Shaun Ewing | Aug 27, 1940 00:00 | US-2212548-A // Telegraph keyboard mechanism // Noxon Paul A. ; Miller George F. // Western Union Telegraph Co | ||||
| PDF File 2209998.pdf | 1.84 MB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2209998-A // Electric selector mechanism // Noxon Paul A. ; Mitchell James I. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.84 MB | Shaun Ewing | Aug 06, 1940 00:00 | US-2209998-A // Electric selector mechanism // Noxon Paul A. ; Mitchell James I. // Western Union Telegraph Co | ||||
| PDF File 2209327.pdf | 566 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209327-A // Communication system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209327-A // Communication system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | ||||
| PDF File 2209326.pdf | 793 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209326-A // Facsimile telegraph system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209326-A // Facsimile telegraph system // D'Humy Fernand E. ; Franklin Lawrence W. // Western Union Telegraph Co | ||||
| PDF File 2208400.pdf | 751 kB | Shaun Ewing | Jul 16, 1940 00:00 |
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US-2208400-A // Electric conversion system // Steinmetz Alfred A. // Western Union Telegraph Co | |||
| Version 1 (current) | 751 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208400-A // Electric conversion system // Steinmetz Alfred A. // Western Union Telegraph Co | ||||
| PDF File 2205450.pdf | 887 kB | Shaun Ewing | Jun 25, 1940 00:00 |
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US-2205450-A // Method of and apparatus for recording signals electrically // Wise Raleigh J. // Western Union Telegraph Co | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205450-A // Method of and apparatus for recording signals electrically // Wise Raleigh J. // Western Union Telegraph Co | ||||
| PDF File 2205430.pdf | 684 kB | Shaun Ewing | Jun 25, 1940 00:00 |
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US-2205430-A // Printing telegraph apparatus // Noxon Paul A. ; Mitchell James I. // Western Union Telegraph Co | |||
| Version 1 (current) | 684 kB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205430-A // Printing telegraph apparatus // Noxon Paul A. ; Mitchell James I. // Western Union Telegraph Co | ||||
| PDF File 2205406.pdf | 1.88 MB | Shaun Ewing | Jun 25, 1940 00:00 |
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US-2205406-A // Multichannel telegraph system // Jr. Philo Holcomb, // Western Union Telegraph Co | |||
| Version 1 (current) | 1.88 MB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205406-A // Multichannel telegraph system // Jr. Philo Holcomb, // Western Union Telegraph Co | ||||
| PDF File 2203417.pdf | 430 kB | Shaun Ewing | Jun 04, 1940 00:00 |
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US-2203417-A // Low frequency generator // Michon Alfred E. // Western Union Telegraph Co | |||
| Version 1 (current) | 430 kB | Shaun Ewing | Jun 04, 1940 00:00 | US-2203417-A // Low frequency generator // Michon Alfred E. // 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 2200344.pdf | 538 kB | Shaun Ewing | May 14, 1940 00:00 |
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US-2200344-A // Frequency doubling telegraph system // Rudd Maurice A. ; Eller Keith B. // Western Union Telegraph Co | |||
| Version 1 (current) | 538 kB | Shaun Ewing | May 14, 1940 00:00 | US-2200344-A // Frequency doubling telegraph system // Rudd Maurice A. ; Eller Keith B. // Western Union Telegraph Co | ||||
| PDF File 2199284.pdf | 1.43 MB | Shaun Ewing | Apr 30, 1940 00:00 |
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US-2199284-A // Multiplex-simplex extended channel system // Duerr Karl B. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.43 MB | Shaun Ewing | Apr 30, 1940 00:00 | US-2199284-A // Multiplex-simplex extended channel system // Duerr Karl B. // Western Union Telegraph Co | ||||
| PDF File 2198781.pdf | 686 kB | Shaun Ewing | Apr 30, 1940 00:00 |
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US-2198781-A // Reverse current switch // Mample Adolph Z. // Western Union Telegraph Co | |||
| Version 1 (current) | 686 kB | Shaun Ewing | Apr 30, 1940 00:00 | US-2198781-A // Reverse current switch // Mample Adolph Z. // Western Union Telegraph Co | ||||
| 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 2194947.pdf | 1.17 MB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194947-A // Method and apparatus for determining topography of ocean bed // Lawton Chester S. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194947-A // Method and apparatus for determining topography of ocean bed // Lawton Chester S. // Western Union Telegraph Co |
