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Title: White china switch, rated at 15 amps for arc lighting, mica [Go to resource]
Description: White china switch, rated at 15 amps for arc lighting, mica plate incorporated, wavy ribbed metal cover, by Thames Engineering Company, 1908 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1908 Source: Science Museum Creator: Thames Engineering Company (maker) Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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