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Scientific American, Vol. 47, No. 27 (December 1882) (1882)

leaf 7

An illustration from Scientific American, Vol. 47, No. 27 (December 1882), 1882, leaf 7
e Patent Office. He now under pressure, such as gas, water, etc., upon the piston of estimated that since that time they have produced at least two resides at St. Catharines, Ontario, but was appointed from an engine, whether single or double acting, and to record tons of diamonds. In England, a… … round the cylinder, thus causing the cylinder to rotate smooth cord or that of a cord of from 3 to 5 strands. BOYS' POWEE METER. to a proportionate amount. Now the rate of rotation © 1882 SCIENTIFIC AMERICAN, INC

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