Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 315
ixty pound springIs used in TalK>r, then I upoTi the clock spring, other than one revolution.The paper used is cut into strips eleven inches longby one and threc-oighths ^vide and placed upon thedrum by an assistant, located on the ninniug boardor in the cab; at the same time the paper is… … D ! !i 1 V^ — olulion is completed, beingample for onisteam diagrnni.I show by blue print a por-tion Iniced of a speed card.A showing five revolutionsper second, or one-hulf inchmovement, or three inmdrcdrevolutions per minute. are at time used for high-speed locomotive indicat-ing. There cuu be…
Railroads · Locomotives
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