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Category:Switching systems

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A switch frame installed at The London Mail Rail (Post Office Railway) in 1927 - Image by Mike Peel
A switch frame installed at The London Mail Rail (Post Office Railway) in 1927 - Image by Mike Peel

A system that allows the interconnection of various communication lines

Pages in category "Switching systems"

The following 2 pages are in this category, out of 2 total.

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Media in category "Switching systems"

This category contains only the following file.