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Scientific American, Vol. 41, No. 6 (1879) (1879)
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ears ago, at Waterford, near Troy, and met: with such speedy success that peculiarity of their construction, the gate being kept in line Before leaving the works, every valve is carefully tested under heavy pressure to ascertain if it is perfectly tight and the present company was soon after… … © 1879 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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