Austin, Louis W. (Louis Winslow), 1867-1932, Thwing, Charles B. (Charles Burton), 1860-1946, joint author · Boston, Allyn and Bacon · leaf 32
arrestment for the pans,which is operated in connection with the arrestment forthe beam, but is sometimes operated separately by a pushbutton. />. placed at the left of the milled head. Thepointer, />. connected with the beam, swings over a grad- MEASUREMENT OF MASS. 19 uatea scaie at the… … Fig. 8. uated, and a wire rider provided, which may be droppedat any point on the beam by means of the lever, /, withoutopening the case. If the twelfth division of the-armcomes directly over the point of support of the pan, it isevident that the rider must weigh twelve mg., for in thisposition it…
Physics
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