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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1874187.pdf | 1.15 MB | Shaun Ewing | Aug 30, 1932 00:00 |
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US-1874187-A // Automatic means for changing timing intervals // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Aug 30, 1932 00:00 | US-1874187-A // Automatic means for changing timing intervals // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 1880722.pdf | 596 kB | Shaun Ewing | Oct 04, 1932 00:00 |
|
US-1880722-A // Call distributing system for concentration circuits // Blanton William B. // Western Union Telegraph Co | |||
| Version 1 (current) | 596 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880722-A // Call distributing system for concentration circuits // Blanton William B. // Western Union Telegraph Co | ||||
| PDF File 1880723.pdf | 405 kB | Shaun Ewing | Oct 04, 1932 00:00 |
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US-1880723-A // Message distributing system for simplex printer concentration units // Blanton William B. // Western Union Telegraph Co | |||
| Version 1 (current) | 405 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880723-A // Message distributing system for simplex printer concentration units // Blanton William B. // Western Union Telegraph Co | ||||
| PDF File 1880724.pdf | 557 kB | Shaun Ewing | Oct 04, 1932 00:00 |
|
US-1880724-A // Method of locating an operator working any line // Blanton William B. // Western Union Telegraph Co | |||
| Version 1 (current) | 557 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880724-A // Method of locating an operator working any line // Blanton William B. // Western Union Telegraph Co | ||||
| PDF File 1880796.pdf | 444 kB | Shaun Ewing | Oct 04, 1932 00:00 |
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US-1880796-A // Vacuum tube telegraph repeater // Case Harlow M. // Western Union Telegraph Co | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880796-A // Vacuum tube telegraph repeater // Case Harlow M. // Western Union Telegraph Co | ||||
| PDF File 1880824.pdf | 753 kB | Shaun Ewing | Oct 04, 1932 00:00 |
|
US-1880824-A // Switchboard jack // Copenhaver Preston S. ; Demonet Eugene A. ; Callahan William F. // Western Union Telegraph Co | |||
| Version 1 (current) | 753 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880824-A // Switchboard jack // Copenhaver Preston S. ; Demonet Eugene A. ; Callahan William F. // Western Union Telegraph Co | ||||
| PDF File 1880906.pdf | 1.34 MB | Shaun Ewing | Oct 04, 1932 00:00 |
|
US-1880906-A // Multiplex extended channel system // Duerr Karl B. ; Broyles Harmon E. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880906-A // Multiplex extended channel system // Duerr Karl B. ; Broyles Harmon E. // Western Union Telegraph Co | ||||
| PDF File 1881452.pdf | 582 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881452-A // Automatic stop for telegraph transmitters // Franklin Laurence W. // Western Union Telegraph Co | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881452-A // Automatic stop for telegraph transmitters // Franklin Laurence W. // Western Union Telegraph Co | ||||
| PDF File 1881453.pdf | 1.26 MB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881453-A // Telegraph printer exchange system // Franklin Laurence W. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881453-A // Telegraph printer exchange system // Franklin Laurence W. // Western Union Telegraph Co | ||||
| PDF File 1881458.pdf | 681 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881458-A // Telegraph receiving or repeating circuit // Frost Albert E. // Western Union Telegraph Co | |||
| Version 1 (current) | 681 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881458-A // Telegraph receiving or repeating circuit // Frost Albert E. // Western Union Telegraph Co | ||||
| PDF File 1881585.pdf | 1.87 MB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881585-A // Quotation board printing unit // Hoover Ray ; Wheeler Evan R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.87 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881585-A // Quotation board printing unit // Hoover Ray ; Wheeler Evan R. // Western Union Telegraph Co | ||||
| PDF File 1881622.pdf | 1.66 MB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881622-A // System for testing and recording the condition of clock setting circuits // Janson George W. ; Callahan William F. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881622-A // System for testing and recording the condition of clock setting circuits // Janson George W. ; Callahan William F. // Western Union Telegraph Co | ||||
| PDF File 1881739.pdf | 453 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881739-A // Concentration circuit for simplex printers // Light George G. // Western Union Telegraph Co | |||
| Version 1 (current) | 453 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881739-A // Concentration circuit for simplex printers // Light George G. // Western Union Telegraph Co | ||||
| PDF File 1881757.pdf | 1.48 MB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881757-A // Telegraph transmitting apparatus // Long James W. ; Steeneck Robert // Western Union Telegraph Co | |||
| Version 1 (current) | 1.48 MB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881757-A // Telegraph transmitting apparatus // Long James W. ; Steeneck Robert // Western Union Telegraph Co | ||||
| PDF File 1881758.pdf | 403 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881758-A // Two-channel fork-controlled receiving and repeating apparatus for telegraph systems // Longland Herbert A. // Western Union Telegraph Co | |||
| Version 1 (current) | 403 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881758-A // Two-channel fork-controlled receiving and repeating apparatus for telegraph systems // Longland Herbert A. // Western Union Telegraph Co | ||||
| PDF File 1881787.pdf | 281 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
US-1881787-A // Method of perforating the lead sheathing of conductor cables // Mample Adolph Z. ; Hobert Edward J. // Western Union Telegraph Co | |||
| Version 1 (current) | 281 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881787-A // Method of perforating the lead sheathing of conductor cables // Mample Adolph Z. ; Hobert Edward J. // Western Union Telegraph Co | ||||
| PDF File 1882817.pdf | 844 kB | Shaun Ewing | Oct 18, 1932 00:00 |
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US-1882817-A // Telegraph carrier system // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 844 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882817-A // Telegraph carrier system // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 1882818.pdf | 672 kB | Shaun Ewing | Oct 18, 1932 00:00 |
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US-1882818-A // Direction control switch for transmission over submarine cables // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 672 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882818-A // Direction control switch for transmission over submarine cables // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 1883102.pdf | 560 kB | Shaun Ewing | Oct 18, 1932 00:00 |
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US-1883102-A // Automatic rider circuits // Teter Paul E. // Western Union Telegraph Co | |||
| Version 1 (current) | 560 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1883102-A // Automatic rider circuits // Teter Paul E. // Western Union Telegraph Co | ||||
| PDF File 1895568.pdf | 233 kB | Shaun Ewing | Jan 31, 1933 00:00 |
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US-1895568-A // Rust proofing iron and steel articles // Curtin Leo P. ; Kline Bernard L. // Western Union Telegraph Co | |||
| Version 1 (current) | 233 kB | Shaun Ewing | Jan 31, 1933 00:00 | US-1895568-A // Rust proofing iron and steel articles // Curtin Leo P. ; Kline Bernard L. // Western Union Telegraph Co |
