Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 132
then be unscrewed andthe internal parts of the valve are exposed. STAR LOCOMOTIVE POP SAFETY VALVES. An efficient form of open or plain locomotive popsafety valve is shown in Figs. 2 and 3. As will beseen from the latter (the sectional view) the spring isencased in a chamber, thereby being…
Locomotives
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