Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 152
33 chloride of sodium —21.3 Sulphuric acid diluted with water and mixed with ice gives very intense cold. Mingled with 25per cent, of its weight of water and 33 per cent, of its weight of ice or snow, it produces a refrigera-tion of —32° C, and with equal parts of acid and snow of —44° C. A simple…
Mechanical engineering -- Dictionaries
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