Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 266
o 252 STEAM ENGINES consists of a cast-iron shell or case containing a large number ofclosely spaced small seamless drawn brass tubes through whichthe condensing water circulates. The tubes have considerablelength compared with their diameter and they are thereforesupported at their middle points…
Steam-engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
