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Scientific American, Vol. 46, No. 3 (1882) (1882)

leaf 3

An illustration from Scientific American, Vol. 46, No. 3 (1882), 1882, leaf 3
bic centimeters foreach kilogramme of weight in | it) Sane an none boys, and 57 cubic centimeters for girls. The law of Quetelet IMPROVED SASH-CORD GUIDE, being that, with children below fifteen years of age, the The annexed engraving shows an improved sash-cord weight of the body is proportionate… … , NEW RAILROAD SPIKE, MILLAR’S SASH-CORD GUIDE. 100 c.c. 1,600 pounds more than the common spike to draw it out of John Street, Baltimore, Md. This guide or pulley can be 5 grammes. “e the tie, while it weighs less than the standard spike. i more cheaply made than other styles of pulley, and can be…

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