A Manual of Practical Physics, for Students of Science And Engineering, volume 1
A Manual of Practical Physics, for Students of Science And Engineering, volume 1
Ferry, Ervin S. (Ervin Sidney), 1868-1956
The book A Manual of Practical Physics, for Students of Science And Engineering, volume 1 was written by author Ferry, Ervin S. (Ervin Sidney), 1868-1956 Here you can read free online of A Manual of Practical Physics, for Students of Science And Engineering, volume 1 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Manual of Practical Physics, for Students of Science And Engineering, volume 1 a good or bad book?
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Often, however, the gradu- ations are equidistant and are referred to some arbitrary scale. Thus we have the scales of Baume, Beck, Cartier, and Twaddell. The specific gravities corresponding to readings on these vari- ous scales are given in Table 6. Not infrequently the stem of the hydrometer contains two or more scales. When graduated with especial reference to use with some particular class of liquids, the hy- drometer is called the alcoholimeter, salinimeter, etc. A calibration curve for a...ny instrument is a curve in which the actual readings of the instrument are plotted against the readings that the instrument ought to give. The object of this exercise is to calibrate an hydrometer. ^®' ^^' (a) Scale with divisions of equal length. If an hydrom- eter of mass m sinks to scale division d^ when placed in a liquid of density p^, and to division d^ when placed in a liquid of density p^^ then by Archimedes' principle the volume of the first liquid displaced is — and of the second is m Pi — , If u denotes the volume of that part of the stem which is P2 included between two consecutive scale divisions, then »_»!-„(,J,-d,).
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