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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1744566.pdf | 589 kB | Shaun Ewing | Jan 21, 1930 00:00 |
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US-1744566-A // Ground-resistance test set // Mott Everett V. ; Rovere Lewis H. ; Rowland Davidge H. // Western Union Telegraph Co | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Jan 21, 1930 00:00 | US-1744566-A // Ground-resistance test set // Mott Everett V. ; Rovere Lewis H. ; Rowland Davidge H. // Western Union Telegraph Co | ||||
| PDF File 1745786.pdf | 373 kB | Shaun Ewing | Feb 04, 1930 00:00 |
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US-1745786-A // Pneumatic dispatch carrier // Jr. Adam Drenkard, // Western Union Telegraph Co | |||
| Version 1 (current) | 373 kB | Shaun Ewing | Feb 04, 1930 00:00 | US-1745786-A // Pneumatic dispatch carrier // Jr. Adam Drenkard, // Western Union Telegraph Co | ||||
| PDF File 1747084.pdf | 535 kB | Shaun Ewing | Feb 11, 1930 00:00 |
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US-1747084-A // Earth-current corrector for cable signals // Ridge Guy H. // Western Union Telegraph Co | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Feb 11, 1930 00:00 | US-1747084-A // Earth-current corrector for cable signals // Ridge Guy H. // Western Union Telegraph Co | ||||
| PDF File 1747853.pdf | 715 kB | Shaun Ewing | Feb 18, 1930 00:00 |
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US-1747853-A // Preventing distorted signals and wandering zero in cable telegraphy // Angel Herbert // Western Union Telegraph Co | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Feb 18, 1930 00:00 | US-1747853-A // Preventing distorted signals and wandering zero in cable telegraphy // Angel Herbert // Western Union Telegraph Co | ||||
| PDF File 1749735.pdf | 1.38 MB | Shaun Ewing | Mar 04, 1930 00:00 |
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US-1749735-A // Multiplex telegraph system // Haglund Hakon H. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749735-A // Multiplex telegraph system // Haglund Hakon H. // Western Union Telegraph Co | ||||
| PDF File 1749738.pdf | 395 kB | Shaun Ewing | Mar 04, 1930 00:00 |
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US-1749738-A // Automatic stroke-corrector circuit // Finn Alfred J. ; Myer Percy L. // Western Union Telegraph Co | |||
| Version 1 (current) | 395 kB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749738-A // Automatic stroke-corrector circuit // Finn Alfred J. ; Myer Percy L. // Western Union Telegraph Co | ||||
| PDF File 1749739.pdf | 630 kB | Shaun Ewing | Mar 04, 1930 00:00 |
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US-1749739-A // Carrier-wave telegraphic transmission system // Fluharty William G. // Western Union Telegraph Co | |||
| Version 1 (current) | 630 kB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749739-A // Carrier-wave telegraphic transmission system // Fluharty William G. // Western Union Telegraph Co | ||||
| PDF File 1750361.pdf | 367 kB | Shaun Ewing | Mar 11, 1930 00:00 |
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US-1750361-A // Speed-adjusting device for motor governors // Rothermel Samuel W. ; Hewitt Ernest W. // Western Union Telegraph Co | |||
| Version 1 (current) | 367 kB | Shaun Ewing | Mar 11, 1930 00:00 | US-1750361-A // Speed-adjusting device for motor governors // Rothermel Samuel W. ; Hewitt Ernest W. // Western Union Telegraph Co | ||||
| PDF File 1754628.pdf | 412 kB | Shaun Ewing | Apr 15, 1930 00:00 |
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US-1754628-A // Locating faults on messenger-call circuits // Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 412 kB | Shaun Ewing | Apr 15, 1930 00:00 | US-1754628-A // Locating faults on messenger-call circuits // Janson George W. // Western Union Telegraph Co | ||||
| PDF File 1754985.pdf | 334 kB | Shaun Ewing | Apr 15, 1930 00:00 |
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US-1754985-A // Telegraph-printer tape-feed mechanism // Dirkes Robert F. ; Wheeler Evan R. // Western Union Telegraph Co | |||
| Version 1 (current) | 334 kB | Shaun Ewing | Apr 15, 1930 00:00 | US-1754985-A // Telegraph-printer tape-feed mechanism // Dirkes Robert F. ; Wheeler Evan R. // Western Union Telegraph Co | ||||
| PDF File 1755485.pdf | 1.64 MB | Shaun Ewing | Apr 22, 1930 00:00 |
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US-1755485-A // Multichannel telegraph cable system // Nelson Crescent F. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.64 MB | Shaun Ewing | Apr 22, 1930 00:00 | US-1755485-A // Multichannel telegraph cable system // Nelson Crescent F. // Western Union Telegraph Co | ||||
| PDF File 1758900.pdf | 446 kB | Shaun Ewing | May 13, 1930 00:00 |
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US-1758900-A // Superimposed telegraph circuits // Morgenstern Ronald V. // Western Union Telegraph Co | |||
| Version 1 (current) | 446 kB | Shaun Ewing | May 13, 1930 00:00 | US-1758900-A // Superimposed telegraph circuits // Morgenstern Ronald V. // Western Union Telegraph Co | ||||
| PDF File 1762795.pdf | 770 kB | Shaun Ewing | Jun 10, 1930 00:00 |
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US-1762795-A // Combination telegraph transmitter and regenerator // Perry William Chrissie // Western Union Telegraph Co | |||
| Version 1 (current) | 770 kB | Shaun Ewing | Jun 10, 1930 00:00 | US-1762795-A // Combination telegraph transmitter and regenerator // Perry William Chrissie // Western Union Telegraph Co | ||||
| PDF File 1765042.pdf | 1.84 MB | Shaun Ewing | Jun 17, 1930 00:00 |
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US-1765042-A // Automatic tape-controlled transmission for tickers // Wheeler Evan R. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.84 MB | Shaun Ewing | Jun 17, 1930 00:00 | US-1765042-A // Automatic tape-controlled transmission for tickers // Wheeler Evan R. // Western Union Telegraph Co | ||||
| PDF File 1766919.pdf | 302 kB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1766919-A // Duplex telegraph system // Milnor Joseph W. ; Cannon William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1766919-A // Duplex telegraph system // Milnor Joseph W. ; Cannon William D. // Western Union Telegraph Co | ||||
| PDF File 1769524.pdf | 352 kB | Shaun Ewing | Jul 01, 1930 00:00 |
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US-1769524-A // Sectionalizing and terminating lead sheath cables // Mample Adolph Z. // Western Union Telegraph Co | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Jul 01, 1930 00:00 | US-1769524-A // Sectionalizing and terminating lead sheath cables // Mample Adolph Z. // Western Union Telegraph Co | ||||
| PDF File 1770099.pdf | 338 kB | Shaun Ewing | Jul 08, 1930 00:00 |
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US-1770099-A // Guide for belt conveyers // D'Humy Fernand E. ; Creedon Michael V. // Western Union Telegraph Co | |||
| Version 1 (current) | 338 kB | Shaun Ewing | Jul 08, 1930 00:00 | US-1770099-A // Guide for belt conveyers // D'Humy Fernand E. ; Creedon Michael V. // Western Union Telegraph Co | ||||
| PDF File 1770370.pdf | 343 kB | Shaun Ewing | Jul 08, 1930 00:00 |
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US-1770370-A // Messenger call box // Janson George W. // Western Union Telegraph Co | |||
| Version 1 (current) | 343 kB | Shaun Ewing | Jul 08, 1930 00:00 | US-1770370-A // Messenger call box // Janson George W. // Western Union Telegraph Co | ||||
| PDF File 1770888.pdf | 1.11 MB | Shaun Ewing | Jul 15, 1930 00:00 |
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US-1770888-A // Coupon-feed mechanism for telegraph printers // Long James W. ; Sortore Emerson J. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Jul 15, 1930 00:00 | US-1770888-A // Coupon-feed mechanism for telegraph printers // Long James W. ; Sortore Emerson J. // Western Union Telegraph Co | ||||
| PDF File 1773325.pdf | 459 kB | Shaun Ewing | Aug 19, 1930 00:00 |
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US-1773325-A // Telegraph key // Steeneck Robert // Western Union Telegraph Co | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Aug 19, 1930 00:00 | US-1773325-A // Telegraph key // Steeneck Robert // Western Union Telegraph Co |
