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Classic Rotary Phones Forum
Telephone Switching => Carrier, Radio & Toll => Topic started by: Weco355aman on December 25, 2013, 09:16:22 PM
Title:
Toll Testboards
Post by:
Weco355aman
on
December 25, 2013, 09:16:22 PM
Photo of three toll testboards.
Left (by wall) is a #17 Center is a #18 and right is a #24 Private line test board.
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