Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 250
4, 8, 16, etc., thesuccessive areas, B H L C, B H K D, B H G E, etc.,increase in arithmetical ratio, as i, 2, 3, 4, etc. On the principles of common logarithms, whichrepresent in arithmetical ratio natural numbers ingeometrical ratio, tables of hyperbolic logarithms havebeen computed for the… … Figure 113 A theoretical curve may be constructed conjointlywith the actual expansion curve of a diagram by firstlocating the clearance and vacuum lines and thenpursuing the method illustrated by Fig. 113. A curveso produced is called an isothermal curve, meaning acurve of the same temperature.…
Locomotives
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