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Title: T-joint for Siemens 2400-volt Concentric cable laid in 1890 [Go to resource]
Description: T-joint for Siemens 2400-volt Concentric cable laid in 1890 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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