Hague, Charles Arthur · New York : McGraw Publishing Company · leaf 161
,crank and fly-wheel, compound condensing type; and has twoidentical sets of steam cylinders and double acting plungerpumps connected to a single main shaft with two cranks atan angle of 90 degrees, and one fly-wheel located at the middleof the length of the crank shaft. In fact, the machine is… … .a
Pumping machinery
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