 | James Dwight Dana - 1837 - 810 pagina’s
...the unit. It results from the nature of a fluid, that the weight lost by a solid immersed in water, is equal to the weight of an equal volume of water. The determination of specific gravity is, therefore, a very simple process. We ascertain the weight out... | |
 | James Dwight Dana - 1844 - 652 pagina’s
...the unit. It results from the nature of a fluid, that the weight lost by a solid immersed in water, is equal to the weight of an equal volume of water. The determination of specific gravity is, therefore, a very simple process. We ascertain the weight out... | |
 | James Dwight Dana - 1850 - 800 pagina’s
...the unit. It results from the nature of a fluid, that the weight lost by a solid immersed in water, is equal to the weight of an equal volume of water. The determination of specific gravity is, therefore, a very simple process. We ascertain the weight out... | |
 | James Dwight Dana - 1887 - 562 pagina’s
...divide the first by the difference obtained; the result is the specific gravity. The loss by immersion is equal to the weight of an equal volume of water. The trial should be made on a small fragment; two to five grains are best. The specimen should be free... | |
 | Wallace Clement Sabine - 1893 - 152 pagina’s
...When submerged it weighs less, being lifted in part by the water. The loss of weight when in water is equal to the weight of an equal volume of water. the upper scale pan and add weights until the hydrometer sinks to the mark on the stem. The total weight... | |
 | Torald Hermann Sollmann - 1901 - 952 pagina’s
...wire, and the volume occupied by the latter subtracted. (¿>) Loss of Weight in Water. — Since this is equal to the weight of an equal volume of water, the weight in air divided by the loss of weight in water will be the specific gravity. Example : Weight... | |
 | Edwin James Houston, Alfred Newlin Seal - 1912 - 420 pagina’s
...This weight will give W. Then W minus W will give the loss of weight of the body when immersed, which is equal to the weight of an equal volume of water. The specific gravity is then given by the formula— W Suppose, for example, a solid weighs in air 2000... | |
 | Newton Horace Winchell, Alexander Newton Winchell - 1922 - 248 pagina’s
...weighing a substance in air and then weighing it when suspended in water; the loss of weight in water is equal to the weight of an equal volume of water. The second weighing may be replaced by a measurement of the volume of the substance, as by immersion in... | |
 | Louis Valentine Pirsson - 1908 - 368 pagina’s
...brass pin point is a little over 3 and can scratch calcite ; the fingernail is a little over 2 and can scratch gypsum. SPECIFIC GRAVITY. The specific gravity...volume of water (the volume displaced), and we have Weight in air = Specific gravity Weight in air — Weight in water The operation can be carried out... | |
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... are useful for testing the hardness of common minerals and of the rocks made up of them. A common brass pin point is a little over 3 and can scratch calcite; the fingernail is a little over 2 and can scratch gypsum. SPECIFIC GRAVITY. The specific... 