Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 809
of HE. /and j\rare the centres of two circles of which HE and EM E L __E K _ steam-la]) E_0 _ EJ^ _ exhaust-lap > are the diameters. Then, —, - -^ - ^g —j of valye i E (/ - E ]f - hal,- tl..ivd of valve » and HED = an^ilar advance of eccentric. By Table I. the travel of the valve and the… … cent/r\^-j a3mtss<on centre when the angle GEQ = $ is known. The angular advance can be found from Fig. 3948 if thelead-angle GE A =y is given; and any of the other positions can be found from the figure, asindicated. In using Table I., the angle a is always to be taken for finding the travel of…
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