Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 454
t thehandle be lengthened, as damage to the jack will bethe result. The jack will work to best advantage if the slottedfilling screw in head is slightly loosened when in use;this allows the escape of air in the jack, and preventsthe springy motion to the lever. Fig. 8 shows a small-geared jack of… … Fig. 9.Portable Air Jack. gw!Bm&(
Locomotives
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