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Scientific American, Vol. 74, No. 24 (1896) (1896)
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as may be seen from dicament and might easily result in serious the accompanying cut, which shows a sec- injury to the complete plant. tion through one of the boilers. If it is These considerations are especially strong desired to insert a tube, say in the center of when applied to the water tube… … © 1896 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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