Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 199
Since these rings are all lathe work (itdoes notrequire more than twenty minuteshand work to fasten 190 LOCOMOTIVE APPLIANCES. on the L-shaped piece for covering the cut of the ring),it will, therefore, readily be seen that the expense intaking a stock ring and renewing the balance is small.It… … Fig. 2.Single Disc American Balance Valve. required would not in any wise interfere with the serv-ice of the valve, since the ring is turned one-fourth ofan inch smaller than its working diameter. The ring is expanded, over the cone and thusreceives a tension which makes it self-supportingwhen not…
Locomotives
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