Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 73
. * Tabor Indicator.—Fig. 28 illustrates the method of making apencil-point describe a straight line when the pencil is attached … Fig. 28. Fig. 29. to a lever that tends to describe a circular arc. A stationary!!plate in which is a curved slot is firmly secured in an upright posi-1tion to the cover of the steam-cylinder (or on the outside spring-1indicator to a bracket on the steam-cylinder). On the pencil-bar, * Quotations…
Steam-engines · Heat-engines
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