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Title: Wollaston slide rule of chemical equivalents, 1814. [Go to resource]
Description: Three sliding scales of chemical equivalents, all with same manuscripts marks, published by W Cary (devised by W H Wollaston?) all apparently of same pattern, one has 1814 date clearly, another has Jan. 1 181 clearly. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rules (chemical) Temporal: 1814 Source: Science Museum Creator: Wollaston, William Hyde Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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