Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 58
sures, and as tiie average loco-motives boiler has made a jump from 120to 160 or 175 pounds pressure in the lastfeiv years, it is plain, therefore, that therewould be an economy in two expansionsof the steam. Mr. Webb, an English mas-ter mechanic, has built a large number ofcompound locomotives,… … Mr. Webbs locomotives have a pair othigh pressure cylinders located where cyl-inders ordinarily are, and having their con-necting rods coupled to the back pair ofwheels- Between these high pressure cyl-inders is located a very large low pressurecylinder, whose connecting rod is coupledto a crank in…
Railroads · Locomotives
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