File:Uy-multi1-hy.jpg
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Summary
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 <a href="https://en.wikipedia.org/wiki/No._5_Crossbar" class="extiw" title="en:No. 5 Crossbar">No. 5 Crossbar</a> office on display at The Museum of Communications in Seattle, Washington. June, 2000.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:42, 4 January 2017 | | 1,364 × 1,248 (397 KB) | 127.0.0.1 (talk) | 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 <a href="https://en.wikipedia.org/wiki/No._5_Crossbar" class="extiw" title="en:No. 5 Crossbar">No. 5 Crossbar</a> office on display at The Museum of Communications in Seattle, Washington. June, 2000. |
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