Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 794
WALSCHAERT VALVE GEAR 765 … 766 LOCOMOTIVE ENGINEERING the crosshead connection point of the union bar, to thecorresponding point of the combination lever. It is not necessary to lay out the valve diagrams ex-cept where a given cut-off per cent is wanted. This is themost convenient way to find the required lap. WEIGHT OF…
Locomotives
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