Wollaston slide rule of chemical equivalents, 1814.

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.

Collection

Science Museum

Inventory Number

2992257

Title

Wollaston slide rule of chemical equivalents, 1814.

Object Type

PhysicalObject

Measurements

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