File:Uy-multi1-hy.jpg
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Summary
| Description |
English: Detail of "flat spring" U-Y type multi-contact relays of type installed in 1950s and early 60s. The relay at right has its cover removed, showing contacts and actuating card. These relays were used extensively in connector circuits throughout crossbar offices. Seen here at the No. 5 Crossbar office on display at The Museum of Communications in Seattle, Washington. June, 2000. |
| Date | 11 November 2007 (original upload date) |
| Source | Transferred from en.wikipedia to Commons. |
| Author | Yeatesh at English Wikipedia |
Licensing
Yeatesh at the English Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
  
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
| Attribution: Yeatesh at the English Wikipedia | ||
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| This licensing tag was added to this file as part of the GFDL licensing update. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2007-11-11 01:20 Yeatesh 1364×1248× (406784 bytes) Detail of "flat spring" U-Y type multi-contact relays. The relay at right has its cover removed, showing contacts and actuating card. These relays were used extensively in connector circuits throughout crossbar offices. Seen here at the No. 5 Crossbar off
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:06, 19 June 2014 | | 1,364 × 1,248 (397 KB) | Arthunter | Transferred from en.wikipedia |
File usage
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