A Student's Manual of a Laboratory Course in Physical Measurements

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Ginn, 1893 - 126 pages
 

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Page 11 - Therefore, the specific gravity of a solid or a liquid body is the ratio of its weight to the weight of an equal volume of water...
Page 68 - It may also be defined as the sine of the angle of incidence divided by the sine of the angle of refraction, as light passes from air into the substance.
Page 71 - We may put this more briefly by saying that the magnifying power is the ratio of the size of the image to the size of the object, but in this statement it must be remembered that size refers to linear dimensions, not to area.
Page 50 - The conductivity of the stone is -005 and the unit of heat is the quantity required to raise the temperature of one gramme of water one degree centigrade.

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