Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 226
nsing and non-condensing engine. On these are shown the con-struction of the isothermal curve. It will be observed that there is a line, A B, to thetop of the card. The space between this and the card represents the clearance, which,estimated in percentages of the capacity of the cylinder, is…
Mechanical drawing
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