Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives (1916)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co., pub. for Sears, Roebuck & co. · leaf 806
rated on anotherpage. It will be observed that the only apparent variationdue to this gear is that brought about*by the invariablelead. The Walschaert motion, as usually constructed, doesnot lend itself as freely to adjustment as does the Stephen-son motion with independent eccentrics, and for… … 750 LOCOMOTIVE ENGINEERING various points must be carefully plotted in order to givethe best results in the combination movement of the partsof the motion. The movements of the motion involvesuch complications in plotting as to render the completeplotting of all too laborious for every new design,…
Locomotives
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