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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1775686.pdf | 482 kB | Shaun Ewing | Sept 16, 1930 00:00 |
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US-1775686-A // Measuring resistance of ground connections // Milnor Joseph W. // Western Union Telegraph Co | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Sept 16, 1930 00:00 | US-1775686-A // Measuring resistance of ground connections // Milnor Joseph W. // Western Union Telegraph Co | ||||
| PDF File 1774971.pdf | 1.18 MB | Shaun Ewing | Sept 02, 1930 00:00 |
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US-1774971-A // Coupon-printing telegraph machine // Haupt Frank J. ; Sortore Emerson J. // Western Union Telegraph Co | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Sept 02, 1930 00:00 | US-1774971-A // Coupon-printing telegraph machine // Haupt Frank J. ; Sortore Emerson J. // Western Union Telegraph Co | ||||
| PDF File 1774292.pdf | 286 kB | Shaun Ewing | Aug 26, 1930 00:00 |
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US-1774292-A // Moistureproof and gas-tight dam for lead-sheath cables // Reed Leland A. // Western Union Telegraph Co | |||
| Version 1 (current) | 286 kB | Shaun Ewing | Aug 26, 1930 00:00 | US-1774292-A // Moistureproof and gas-tight dam for lead-sheath cables // Reed Leland A. // Western Union Telegraph Co | ||||
| PDF File 1773371.pdf | 205 kB | Shaun Ewing | Aug 19, 1930 00:00 |
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US-1773371-A // Duplex telegraph system // Milnor Joseph W. ; Cannon William D. // Western Union Telegraph Co | |||
| Version 1 (current) | 205 kB | Shaun Ewing | Aug 19, 1930 00:00 | US-1773371-A // Duplex telegraph system // Milnor Joseph W. ; Cannon William D. // Western Union Telegraph Co | ||||
| PDF File 1773370.pdf | 382 kB | Shaun Ewing | Aug 19, 1930 00:00 |
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US-1773370-A // Reducing interference in submarine cables // Milnor Joseph W. ; Cramer Clifford H. // Western Union Telegraph Co | |||
| Version 1 (current) | 382 kB | Shaun Ewing | Aug 19, 1930 00:00 | US-1773370-A // Reducing interference in submarine cables // Milnor Joseph W. ; Cramer Clifford H. // Western Union Telegraph Co | ||||
| PDF File 1773336.pdf | 724 kB | Shaun Ewing | Aug 19, 1930 00:00 |
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US-1773336-A // Central-battery duplex telegraph system // Atherton Albert // Western Union Telegraph Co | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Aug 19, 1930 00:00 | US-1773336-A // Central-battery duplex telegraph system // Atherton Albert // 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 | ||||
| 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 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 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 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 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 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 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 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 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 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 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 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 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 |
