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Title: 3 casein rods machined into the following cross-sections:- e [Go to resource]
Description: 3 casein rods machined into the following cross-sections:- ellipse - purple, ellipse - salmon pink, D-shaped - yellow transparent License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1981-644 Go to resource More Like this...
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