Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 452
ew in the head. The best fluid for filling ismade one part water, six partsalcohol and one-half part of goodoil (sperm preferred), well shaken together beforeputting in the jack. Never use coal oil, wood alcoholnor water only in filling, as the two former destroy thepacking, and the latter may… … Fig. 7.Joyce Hydraulic Jack. 444 LOCOMOTIVE APPLIANCES. The thumbscrew valve should be screwed outwardsa few turns when raising a load. In lowering, screwthis valve inwards slowly. This valve, being inde-pendent of the pumping mechanism, gives absolutecontrol over the speed or distance of the…
Locomotives
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