Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 238
ich repre-sents a set of rings with one ring above opened in openposition, ready to close around the rod without thenecessity of disconnecting the rod from the crosshead.As the packing wears it ordinarily only requires theaddition of another of the larger rings. JEROME VALVE STEM PACKING. Fig. 1… … 230 LOCOMOTIVE APPLIANCES. in the valve stem. This is found to be satisfactory,except where there is a great deal of rolling motion,due to the valve stem being very short, in which case a
Locomotives
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