Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 56
it. Formerly, braids or strands of hemp soaked in tallow werewrapped around the piston rod and pressed into the stuffing boxor packing, but, as increasing steam pressures and temperaturesbecame common, this kind of packing became unsatisfactory.There are now a great variety of packings on the…
Steam-engines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
