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

leaf 3

An illustration from Scientific American, Vol. 46, No. 3 (January 1882), 1882, leaf 3
raphy. is 65 cubic centimeters for each kilogramme of weight in < m» 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… … afterward. NEW RAILROAD SPIKE. MILLAR'S SASH-CORD GUIDE. A copper plate is covered with the following solution: Water 100c.c. 1,600 pounds more than the common spike to draw it out of John Street, Baltimore, Md. This guide or pulley can be Gum arabic 5 grammes. Bichromate of ammonium 2 " the tie,…

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