Collier's New Encyclopedia

A complete general encyclopedia of 1921 — the world as it was understood just after the Great War, from Aachen to Zwingli, across twelve volumes and six thousand pages.

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Parr (SAMUEL WILSON an American)

SAMUEL WILSON, an American educator, born at Granville, Ill., in 1857. He graduated from the University of Illinois in 1884, afterward studying in Germany and Switzerland. In 1891 he was appointed professor of applied chemistry at the University of Illinois and was also director and consulting chemist of the Illinois State Water Survey. From 1905 he was State Geologist of Illinois. He was a member of many engineering societies and wrote much on subjects relating to chemistry.

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