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Title: Telephone from, Three Temco automatic telephones and selecto [Go to resource]
Description: Telephone from, Three Temco automatic telephones and selector mechanism License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1956-124/3 Go to resource More Like this...-
Selector switch, from automatic interdepartmental…Selector switch, from automatic interdepartmental…
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