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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1164273.pdf | 1.07 MB | Shaun Ewing | Jun 11, 2026 20:40 |
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| Version 2 (current) | 1.07 MB | Shaun Ewing | Jun 11, 2026 20:40 | |||||
| PDF File 2529264.pdf | 893 kB | Shaun Ewing | Nov 07, 1950 00:00 |
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US-2529264-A // Combined facsimile and code signaling system // Ridings Garvice H. // Western Union Telegraph Co | |||
| Version 1 (current) | 893 kB | Shaun Ewing | Nov 07, 1950 00:00 | US-2529264-A // Combined facsimile and code signaling system // Ridings Garvice H. // Western Union Telegraph Co | ||||
| PDF File 2529238.pdf | 576 kB | Shaun Ewing | Nov 07, 1950 00:00 |
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US-2529238-A // Printing telegraph apparatus // Angel Herbert // Western Union Telegraph Co | |||
| Version 1 (current) | 576 kB | Shaun Ewing | Nov 07, 1950 00:00 | US-2529238-A // Printing telegraph apparatus // Angel Herbert // Western Union Telegraph Co | ||||
| PDF File 2528005.pdf | 830 kB | Shaun Ewing | Oct 31, 1950 00:00 |
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US-2528005-A // Electrosensitive recording blank // Kline Bernard L. // Western Union Telegraph Co | |||
| Version 1 (current) | 830 kB | Shaun Ewing | Oct 31, 1950 00:00 | US-2528005-A // Electrosensitive recording blank // Kline Bernard L. // Western Union Telegraph Co | ||||
| PDF File 2526917.pdf | 542 kB | Shaun Ewing | Oct 24, 1950 00:00 |
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US-2526917-A // Line wire spacer // Wheeler Herbert H. ; Markley William F. // Western Union Telegraph Co | |||
| Version 1 (current) | 542 kB | Shaun Ewing | Oct 24, 1950 00:00 | US-2526917-A // Line wire spacer // Wheeler Herbert H. ; Markley William F. // Western Union Telegraph Co | ||||
| PDF File 2525147.pdf | 630 kB | Shaun Ewing | Oct 10, 1950 00:00 |
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US-2525147-A // Integrator and torque amplifier therefor // Nelson Dale H. // Western Union Telegraph Co | |||
| Version 1 (current) | 630 kB | Shaun Ewing | Oct 10, 1950 00:00 | US-2525147-A // Integrator and torque amplifier therefor // Nelson Dale H. // Western Union Telegraph Co | ||||
| PDF File 2524075.pdf | 912 kB | Shaun Ewing | Oct 03, 1950 00:00 |
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US-2524075-A // Network for balancing the sea return impedance of submarine cables // Palmer William H. ; Wells Philip H. // Western Union Telegraph Co | |||
| Version 1 (current) | 912 kB | Shaun Ewing | Oct 03, 1950 00:00 | US-2524075-A // Network for balancing the sea return impedance of submarine cables // Palmer William H. ; Wells Philip H. // Western Union Telegraph Co | ||||
| PDF File 2520903.pdf | 1.22 MB | Shaun Ewing | Sept 05, 1950 00:00 |
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US-2520903-A // Automatic telegraph switching system // Blanton William B. ; Ayers Robert C. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Sept 05, 1950 00:00 | US-2520903-A // Automatic telegraph switching system // Blanton William B. ; Ayers Robert C. // Western Union Telegraph Co | ||||
| PDF File 2516860.pdf | 1.34 MB | Shaun Ewing | Aug 01, 1950 00:00 |
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US-2516860-A // Telegraph signal distortion indicating device // Eriekson George L. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Aug 01, 1950 00:00 | US-2516860-A // Telegraph signal distortion indicating device // Eriekson George L. // Western Union Telegraph Co | ||||
| PDF File 2503311.pdf | 2.63 MB | Shaun Ewing | Apr 11, 1950 00:00 |
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US-2503311-A // Facsimile transmission apparatus // Wise Raleigh J. ; Parrott Robert D. ; Ridings Garvice H. // Western Union Telegraph Co | |||
| Version 1 (current) | 2.63 MB | Shaun Ewing | Apr 11, 1950 00:00 | US-2503311-A // Facsimile transmission apparatus // Wise Raleigh J. ; Parrott Robert D. ; Ridings Garvice H. // Western Union Telegraph Co | ||||
| PDF File 2502419.pdf | 1.07 MB | Shaun Ewing | Apr 04, 1950 00:00 |
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US-2502419-A // Electrically actuated recording unit // Cannon William D. ; Cantor Michael // Western Union Telegraph Co | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Apr 04, 1950 00:00 | US-2502419-A // Electrically actuated recording unit // Cannon William D. ; Cantor Michael // Western Union Telegraph Co | ||||
| PDF File 2485551.pdf | 1.08 MB | Shaun Ewing | Oct 25, 1949 00:00 |
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US-2485551-A // Signal controlled selector // Angel Herbert // Western Union Telegraph Co | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Oct 25, 1949 00:00 | US-2485551-A // Signal controlled selector // Angel Herbert // Western Union Telegraph Co | ||||
| PDF File 2484838.pdf | 1.41 MB | Shaun Ewing | Oct 18, 1949 00:00 |
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US-2484838-A // Telegraph exchange system // Light George G. ; Blanton William B. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Oct 18, 1949 00:00 | US-2484838-A // Telegraph exchange system // Light George G. ; Blanton William B. // Western Union Telegraph Co | ||||
| PDF File 2483449.pdf | 1.61 MB | Shaun Ewing | Oct 04, 1949 00:00 |
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US-2483449-A // Facsimile transmission system // Wise Raleigh J. ; Ridings Garvice H. ; Parrott Robert D. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Oct 04, 1949 00:00 | US-2483449-A // Facsimile transmission system // Wise Raleigh J. ; Ridings Garvice H. ; Parrott Robert D. // Western Union Telegraph Co | ||||
| PDF File 2478218.pdf | 1.16 MB | Shaun Ewing | Aug 09, 1949 00:00 |
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US-2478218-A // Telegraph service equipment // Wise Raleigh J. ; Ridings Garvice H. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Aug 09, 1949 00:00 | US-2478218-A // Telegraph service equipment // Wise Raleigh J. ; Ridings Garvice H. // Western Union Telegraph Co | ||||
| PDF File 2476318.pdf | 703 kB | Shaun Ewing | Jul 19, 1949 00:00 |
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US-2476318-A // Direct-current measuring and recording device // Nelson Dale H. // Western Union Telegraph Co | |||
| Version 1 (current) | 703 kB | Shaun Ewing | Jul 19, 1949 00:00 | US-2476318-A // Direct-current measuring and recording device // Nelson Dale H. // Western Union Telegraph Co | ||||
| PDF File 2476317.pdf | 611 kB | Shaun Ewing | Jul 19, 1949 00:00 |
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US-2476317-A // Apparatus and method for fault locations // Nelson Dale H. ; Cosby James R. // Western Union Telegraph Co | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Jul 19, 1949 00:00 | US-2476317-A // Apparatus and method for fault locations // Nelson Dale H. ; Cosby James R. // Western Union Telegraph Co | ||||
| PDF File 2472608.pdf | 597 kB | Shaun Ewing | Jun 07, 1949 00:00 |
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US-2472608-A // Means and method for switching of telegraph messages // Milnor Joseph W. // Western Union Telegraph Co | |||
| Version 1 (current) | 597 kB | Shaun Ewing | Jun 07, 1949 00:00 | US-2472608-A // Means and method for switching of telegraph messages // Milnor Joseph W. // Western Union Telegraph Co | ||||
| PDF File 2469423.pdf | 1.36 MB | Shaun Ewing | May 10, 1949 00:00 |
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US-2469423-A // Facsimile apparatus // Wise Raleigh J. ; Parrott Robert D. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | May 10, 1949 00:00 | US-2469423-A // Facsimile apparatus // Wise Raleigh J. ; Parrott Robert D. // Western Union Telegraph Co | ||||
| PDF File 2462977.pdf | 383 kB | Shaun Ewing | Mar 01, 1949 00:00 |
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US-2462977-A // Cable joint // Kitchin Donald W. ; Dyke Francis R. // Western Union Telegraph Co | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Mar 01, 1949 00:00 | US-2462977-A // Cable joint // Kitchin Donald W. ; Dyke Francis R. // Western Union Telegraph Co |
