Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
olids are generally the most easily compressed. 229. Density of gases.—Density of gases and vapors is com-pared, for a standard, with common air, when the barometer stands at30 inches, and thermometer at 32° F., air being called 1, or 1.000. The method of determining the density of a gas is, in… … HEAT. 151 Fig. 5. SPECIFIC HEAT. 230. Figure 6. — Calorimetry, or the measurement of thequantity of heat which different bodies absorb or emit during a knownchange of teniperature. Let A A be a large vessel made of ice, having aheavy slab of ice, M, for a cover. Suppose it were required to…
Physics · Astronomy
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