Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 239
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 … Fig. 4.Jerome Valve Stem Packing. ball joint is made at C by the addition of another ring, as before described for piston packing where desirable. When the valve stem wears or is turned down, it is
Locomotives
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