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Scientific American, Vol. 25, No. 26 (December 1871) (1871)
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made to have the debris removed, a work which has away. Surveys were made of three blasts, which disclosed almost been finished, and which has demonstrated the fact at the bottom of the river a mass of crushed rock, innumer- We give this week some engravings illustrating the opera that no… … over five weeks, and making repeated blasts, be- in a measure corresponding with their importance. SECTION VIEW OF A TRANSVERSE AVENUE, HELL GATE. ©1871 SCIENTIFIC AMERICAN, INC.Patents · Apparatus · Water · Iron · Dated · Machine · Scientific American · Great deal · Weekly sun · Dated december · Steam boilers · Artificial stone · Latent heat · Dated july · Sewing machine · Washing machine
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