Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 525
FlG. 219.—SCHAEFFER AND BUDENBERG HaND TaCHOMETER. vattbs mercury in the revolving arms and depresses it in thecentre tube. A calibrated scale gives the number of revolu-tions corresponding to a given depression. 415. The Chronograph.—The chronograph,* Fig. 220, con-sists of a drum revolved by… … Fig. 220. definite number of revolutions per minute. A carnage hav-ing one or two pens, h, g, as may be required is moved parallel * See Thurstons Engine and Boiler Trials, page 226. 5^0 EXPERIMENTAL ENGINEERING. [§415- to the axis of the cylinder by a screw which is connected withthe…
Building materials · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-716-417.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-483-302.webp)