Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 57
nd better method. 40 PHYSICS In the second method the object to be weighed is put inone scale pan, and fine shot or sand added to the other,until the pointer is at zero. The object is then removed,and weights put on the scale pan in its place until thebalance is again even. This method neutralizes… … Fig. 16.—Balance for accurate weighing. of brass. Those less than a gramme and down to ten milli-grammes are made of platinum, while the milligrammeweights are made of aluminium, in order that they mayhave greater volume and consequently be easier to handle.The fractions of a milligramme are…
Physics
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