Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 623
d hand of thegauge shows twentypounds before the blackhand begins to move.Should the black handbegin to move beforethe red hand reachesthe twenty-poundpoint, it indicates thatthe graduating springneeds to be tightened down, while on the other handif the black hand of the gauge did not begin to… … Figure 256 Cross Section, Showing Passage H IN Body, and Passage O IN Valve Cover ,«uifiiBqqA Isr ■1 ^1
Locomotives
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