Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 364
g are in place the coil spring is coniprc»ised. andexerts an outward pressure against the packing rings; us the several packing rings are made in mctions, and are pressed outward in the conical open-ing, the sections have a tendency to close towardeach other, thus pref«ing tirmly around the… … KeLI.OOOS Alll-Pt!MP P.\rKtNu. can be taken out. and new put in wiihoul discon-necting any part of the pump. It will last longer,as it dont take as stiff a spring to keep it to therod, as the rings are i section. This packing has been in use on the N. P. R. II,almost a year, and is giving the best…
Railroads · Locomotives
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