Experimental engineering and manual for testing. For engineers and for students in engineering laboratories (1906)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & Sons; [etc., etc.] · leaf 82
ATUS 53 The method of testing is illustrated in Figs. 17, 18, 19, and20. Figs. 17 and 18 show the method with reference to thepolar planimeter; Figs. 19 and 20 show the correspondingmethods of testing the rolling-planimeter. In Figs. 17 and 19P is the position of the pole, B the pole-arm, and A the… … Fig. 17. carefully revolving so as to swing the check-rule as shownby the arrow. Take readings of the vernier at initial point,and again on returning to the starting-point: the difference ofthese readings should give the area. Repeat this operationseveral times. The instrument is now placed in the…
Building materials · Machinery
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