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Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 186
© «E==®===@ •ii I © -©===4f=:F=#=^^ … FK3-II5 176 QUESTIONS AND ANSWERS ON A. The steam is disposed of where it is not a nui-sance, and much useless back pressure is removed,thus saving fuel. 620. Q. How is this steam condensed?Pumping machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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