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Title: Specimens of wire, one of which has been drawn only, the oth [Go to resource]
Description: Specimens of wire, one of which has been drawn only, the other has in the lower part been twisted and shows the spiral running of the fibres on the surface License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/3410 Go to resource More Like this...
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