Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 247
is attached to the beamto show when a balanceof the weights is ob-tained. To make a weighing,the object to be weighedis placed in the left-handpan and is the W of thelever. Standard weightsare placed in the right-hand pan, so that abalance is obtained. The best method toget a balance is to…
Physics
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