Laboratory exercises to accompany Carhart and Chute's First principles of physics (1912)
Brownlee, Raymond B. (Raymond Bedell), b. 1877, Fuller, Robert W. (Robert Warren), 1871-1953, joint author, Carhart, Henry S. (Henry Smith), 1844-1920, First principles of physics · Boston, Allyn and Bacon · leaf 16
tand laborious task of note-book correction easier for theinstructor. DIRECTIONS TO STUDENTS Balances Construction of Platform Balances. — The platform balance 01trip scale is a simple, equal arm lever in which the verticaldisplacement of either arm is indicated by a pointer swingingacross a… … Fig. 1. Platform Balance. The construction of the trip scale is shown in Figs. 1 and 2on this and the following page. This convenient instrumentfor weighing is too often misused in the physical laboratoryand poor results obtained with it. With the observance, how-ever, of a few simple precautions,…
Physics
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