The Speech of Monkeys

by R. L. Garner

THE
SPEECH OF MONKEYS

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MANUAL OF ASSAYING GOLD, SILVER, COPPER, AND LEAD ORES. By Walter Lee Brown, B.Sc. Revised, Corrected, and considerably Enlarged, with a chapter on the Assaying of Fuel, &c. By A. B. Griffiths, Ph.D., F.R.S. (Edin.), F.C.S. 7s. 6d.

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