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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

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10 February 2020

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4.25 millimetre

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1d8928a61cfd62bbcfdb01a609dd716169c6da1f

3,059,973 byte

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3,024 pixel

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Date/TimeThumbnailDimensionsUserComment
current17:17, 12 February 2020Thumbnail for version as of 17:17, 12 February 20203,024 × 4,032 (2.92 MB)NeveretherCross-wiki upload from en.wikipedia.org

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