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slotalot
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GPO Uniselector User Guide

Postby slotalot » Sat Nov 15, 2008 11:28 pm

GPO Engineering Department Educational Pamphlet Draft Series Telephones 4/1 Uniselector Mechanisms Type 1, 2, 3.
As used in British electro-mechanicals - Electrodart, Rotofruit, Rotolite, Derby Day etc.
Full technical explanation in pdf.

See also Roto-Pool Manuals with wiring diagrams.
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pennymachines
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Re: GPO Uniselector User Guide

Postby pennymachines » Wed Dec 06, 2017 12:43 pm

More rotary switch (uniselector) manuals
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