Roper's catechism for steam engineers and electricians .. (1899)
Roper, Stephen. [from old catalog], Keller, Edwin R., [from old catalog] ed, Pike, Clayton W., [from old catalog] ed · Philadelphia, D. McKay · leaf 246
ed on a vertical spindle, aboutwhich it is free to rotate, but by the action of aspring contained in it the drum tends to remainin a fixed position. A groove, shown at the bot-tom of the drum, carries a cord which is attached STEAM ENGINEERS AND ELECTRICIANS.. 225 by means of a reducing motion to… … SECTION OF TABORS INDICATOR. pencil, however, is moved up and down by thepressure of the steam in the cylinder, it followsthat, if a paper is placed around the drum, adiagram will be traced, representing the pressure 15 226 ^ ropers catechism for in the cylinder at every point in the stroke.…
Steam engineering · Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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