Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 22
ge of the sleeve F. Theprecision of reading in such an instrument considerablyexceeds the accuracy of setting. 9. Unit of Mass. — The unit of mass used in science iscalled the gram. It is defined as an amount of matterequivalent to one-thousandth part of that of a certain pieceof platinum, known as… … Fig. 7. / 12 MECHANICS. centimeter of distilled water at its maximum density, i.e. ata temperature of 4° C. More recent measurements showthat this intention was not exactly realized, though the dis-crepancy is so slight that the two definitions may for prac-tical purposes be regarded as identical.…
Physics
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