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CHEAVIN, William Harold Squier DSc FCS FRES FRMS FRPS 1885-1968. Inventor of the Cheavin-Watson philatelic microscope, 1912. Collected Great Britain and Colonies, Belgium, France, Holland, Sweden, and USA. Gained international awards. Author of 'Philately and the Microscope', 'Philately and Fluorescent', 'Philately and X-rays', 'India - Issues of the East India Company'.
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Cambridge, MA
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OH