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Title: Interlocking switch and plug, Central Electricity Company, 1 [Go to resource]
Description: Interlocking switch and plug, Central Electricity Company, 1889 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: switches Temporal: 1889 Source: Science Museum Creator: Central Electricity Company (maker) Identifier: 1985-969 Go to resource More Like this...
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