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Atoms, Elements & Molecules Items belonging to W H Wollaston, late 18th-early 19th century

Image number
UIS5066710
Title
Atoms, Elements & Molecules Items belonging to W H Wollaston, late 18th-early 19th century
Location
Science Museum, London, UK
Medium
object
Description

Atoms, Elements & Molecules Items belonging to W H Wollaston, late 18th-early 19th century. This selection of items includes Wollaston's slide rule of chemical equivalents and samples of platinum, palladium and rhodium with metal dies used to draw wire. William Hyde Wollaston (1766-1828), the English chemist, was a pioneer of powder metallurgy and discovered rhodium and palladium. He developed the slide rule to enable calculations of chemical proportions (relative weight of reactants), using a logarithmic scale of chemical equivalents. Like most early 19th century chemists, Wollaston used equivalents rather than atomic weights in an attempt to avoid the various problems associated with the latter. Compounds and elements are marked on the outer scale. ©SSPL/Science Museum

Photo credit
SSPL/UIG / Bridgeman Images
Keywords
/ 18 18th xviii xviiith century / 19 19th xix xixth century / physics / chemistry / thing / tool / metal / Science

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