Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 60
Fig. 34. being largest at the middle and tapering towards the ends.With engines of higher speed the rod is often shaped like a longcone, tapering towards the crank end and flattened on the sidesso as to approach a rectangular cross section as the diameterincreases. High speed stationary engines and…
Steam-engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.