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Scientific American, Vol. 34, No. 13 (1876) (1876)

leaf 3

An illustration from Scientific American, Vol. 34, No. 13 (1876), 1876, leaf 3
ght, and,at 17 inches from an object, gives a light equal to a gas burner 4 feet from the object, shaped tin whistle. I found River. The greatest diffi it lodged near the cardiac ter- culties met with in building minus of the cesophagus. the structure were found in The little fellow was suffer-… … 1, Portland cement from } child, when seen an hour AQUEDUCT OF LA VANNE, FRANCE. to 4 parts. This coucrete, pro- later, was bright and run- perly dampened, was com- be in the proportion of 16 to 2, or of 8 to 1, to make the gas at once in molds at the spots needed. ——3s @ oo —_— and candle light…

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