File:1XB Originating Marker.jpg
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Summary
| Description |
English: This photograph shows an Originating Marker from a No. 1 Crossbar telephone switch. The cabinets in the center contain the relay logic, and the field of terminals on the right side encode the translation information for each office code dialed. |
| Date | |
| Source | Own work |
| Author | Neverether |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:17, 12 February 2020 | | 3,024 × 4,032 (2.92 MB) | Neverether | Cross-wiki upload from en.wikipedia.org |
File usage
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