Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1881453.pdf | 1.26 MB | Shaun Ewing | Oct 11, 1932 00:00 |
|
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 1881452.pdf | 582 kB | Shaun Ewing | Oct 11, 1932 00:00 |
|
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 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 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 1880796.pdf | 444 kB | Shaun Ewing | Oct 04, 1932 00:00 |
|
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 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 1880723.pdf | 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 | |||
| 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 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 1874187.pdf | 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 | |||
| 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 1864494.pdf | 1.23 MB | Shaun Ewing | Jun 21, 1932 00:00 |
|
US-1864494-A // Method of operating a channel of differential cable code over a channel of a multiplex circuit // Nelson Crescent F. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Jun 21, 1932 00:00 | US-1864494-A // Method of operating a channel of differential cable code over a channel of a multiplex circuit // Nelson Crescent F. // Western Union Telegraph Co | ||||
| PDF File 1863479.pdf | 633 kB | Shaun Ewing | Jun 14, 1932 00:00 |
|
US-1863479-A // Rub out signal deleter for tape transmitters // Hoover Ray ; Haupt Frank Joseph // Western Union Telegraph Co | |||
| Version 1 (current) | 633 kB | Shaun Ewing | Jun 14, 1932 00:00 | US-1863479-A // Rub out signal deleter for tape transmitters // Hoover Ray ; Haupt Frank Joseph // Western Union Telegraph Co | ||||
| PDF File 1862474.pdf | 441 kB | Shaun Ewing | Jun 07, 1932 00:00 |
|
US-1862474-A // Synchronizing and phase indicating device // Fluharty William G. ; Noxon Paul A. // Western Union Telegraph Co | |||
| Version 1 (current) | 441 kB | Shaun Ewing | Jun 07, 1932 00:00 | US-1862474-A // Synchronizing and phase indicating device // Fluharty William G. ; Noxon Paul A. // Western Union Telegraph Co | ||||
| PDF File 1861414.pdf | 1.81 MB | Shaun Ewing | May 31, 1932 00:00 |
|
US-1861414-A // Quotation board printing unit // Hoover Ray ; Wheeler Evan R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.81 MB | Shaun Ewing | May 31, 1932 00:00 | US-1861414-A // Quotation board printing unit // Hoover Ray ; Wheeler Evan R. // Western Union Telegraph Co | ||||
| PDF File 1860343.pdf | 390 kB | Shaun Ewing | May 24, 1932 00:00 |
|
US-1860343-A // Multiple turret simplex printer concentration circuit // Light George G. // Western Union Telegraph Co | |||
| Version 1 (current) | 390 kB | Shaun Ewing | May 24, 1932 00:00 | US-1860343-A // Multiple turret simplex printer concentration circuit // Light George G. // Western Union Telegraph Co | ||||
| PDF File 1859165.pdf | 986 kB | Shaun Ewing | May 17, 1932 00:00 |
|
US-1859165-A // Automatic tape cut-off // Porter James F. ; Marx George // Western Union Telegraph Co | |||
| Version 1 (current) | 986 kB | Shaun Ewing | May 17, 1932 00:00 | US-1859165-A // Automatic tape cut-off // Porter James F. ; Marx George // Western Union Telegraph Co | ||||
| PDF File 1858320.pdf | 521 kB | Shaun Ewing | May 17, 1932 00:00 |
|
US-1858320-A // Transfer mechanism for strap conveyers // Beardsley Bruce ; Chadbourne William C. // Western Union Telegraph Co | |||
| Version 1 (current) | 521 kB | Shaun Ewing | May 17, 1932 00:00 | US-1858320-A // Transfer mechanism for strap conveyers // Beardsley Bruce ; Chadbourne William C. // Western Union Telegraph Co | ||||
| PDF File 1856985.pdf | 1.31 MB | Shaun Ewing | May 03, 1932 00:00 |
|
US-1856985-A // Regenerative repeater for start-stop systems of automatic telegraphy // Dirkes Robert F. ; Jr. James N. Anderson, // Western Union Telegraph Co | |||
| Version 1 (current) | 1.31 MB | Shaun Ewing | May 03, 1932 00:00 | US-1856985-A // Regenerative repeater for start-stop systems of automatic telegraphy // Dirkes Robert F. ; Jr. James N. Anderson, // Western Union Telegraph Co | ||||
| PDF File 1856331.pdf | 424 kB | Shaun Ewing | May 03, 1932 00:00 |
|
US-1856331-A // Corrector system for synchronous telegraph apparatus // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 424 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856331-A // Corrector system for synchronous telegraph apparatus // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 1855841.pdf | 860 kB | Shaun Ewing | Apr 26, 1932 00:00 |
|
US-1855841-A // System for collecting and disseminating information // Long James W. ; Wheeler Evan R. // Western Union Telegraph Co | |||
| Version 1 (current) | 860 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855841-A // System for collecting and disseminating information // Long James W. ; Wheeler Evan R. // Western Union Telegraph Co | ||||
| PDF File 1855380.pdf | 478 kB | Shaun Ewing | Apr 26, 1932 00:00 |
|
US-1855380-A // Corrector circuit for synchronous telegraph systems // Breyfogel Albert W. // Western Union Telegraph Co | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855380-A // Corrector circuit for synchronous telegraph systems // Breyfogel Albert W. // Western Union Telegraph Co |
