Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 235
rod for connection to a simple section of valve and ports. But thevalve motion may be illustrated by diagram. VAJ.YE DIAGKAMS. The separate drawings of the movements of a valve may be shown in one generaldiagram containing the continuous movement of the valve; for illustration, the valve ofthe last… … Fig. 421-. of the eccentric draw a line perpendicular to D E of one inch and five sixteenths (oneinch lap and five sixteenths lead) till it intersects the path of the eccentric at 1. Drawa line from C to 1; this is the first position of the eccentric; from this point divide halfthe circle into six…
Mechanical drawing
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