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Scientific American, Vol. 63, No. 18 (1890) (1890)

leaf 8

An illustration from Scientific American, Vol. 63, No. 18 (1890), 1890, leaf 8
ractice the idea of employing agers, having abundant capital, and under the new proved valuable, and when worked in strict accord- compressed air in a horizontal tunnel, for the purpose auspices the work of construction has been resumed in ance with his directions, was successful. Owing, how- of… … THE HUDSON RIVER TUNNEL. The heavy dark line shows the uncompleted portion. cavated and the masonry or iron tunnel put therein. stopping air leaks with sufficient alacrity, it was London capitalists, and Sir John Fowler and Sir This method was patented by Mr. Haskin February. 3, deemed best, as an…

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