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 250
ATOR 249 l^hen with the scale measure the pressure along theline F G at the middle of the diagram, which will bethe M. E. P The process is based upon the theory that theperage width of any tapering figure is its width at theMiddle of its length. This method should not berelied upon as accurate, but… … P Figure 116 give accurate results, provided care is exercised in itsuse. The process consists in drawing any convenient num-ber of vertical lines perpendicular to the atmosphericiline across the face of the diagram, spacing them-jequally, with the exception of the two end spaces,ijwhich should be…
Locomotives
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