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Title: Lead junction box filled with pitch and joining lead sheathe [Go to resource]
Description: Lead junction box filled with pitch and joining lead sheathed cable with vulcanised india rubber cables above License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: electrical insulating materials
pitch (petroleum product)Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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