. Elementary physics and chemistry: second stage. Science. SECOND STAGE. LESSON I. EVAPORATION, PRACTICAL WORK. Things required.—Evaporating basins, sand bath, tripod stand. Laboratory burner. Flask. Balance and of weights. Square piece of thin wood. Thin beaker. Narrow glass tube about nine inches long. A pair of bellows. Rain-water, tap- water, and sea-water. Carbon bisulphide, spirits of wine, and ether. What to do. Evaporation assisted by heat.—Put some water in an evaporating basin placed upon sand in a shallow iron saucer,. Fig. I.—A " sand ; The basin containing liqu
. Elementary physics and chemistry: second stage. Science. SECOND STAGE. LESSON I. EVAPORATION, PRACTICAL WORK. Things required.—Evaporating basins, sand bath, tripod stand. Laboratory burner. Flask. Balance and of weights. Square piece of thin wood. Thin beaker. Narrow glass tube about nine inches long. A pair of bellows. Rain-water, tap- water, and sea-water. Carbon bisulphide, spirits of wine, and ether. What to do. Evaporation assisted by heat.—Put some water in an evaporating basin placed upon sand in a shallow iron saucer,. Fig. I.—A " sand ; The basin containing liquid to be evaporated is placed upon a bed of sand. known as a " sand bath," or upon a " water bath" made by placing a shallow dish upon the top of a beaker of boiling water (Fig. 2). Warm it gently b>- means of a laboratory. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gregory, R. A; Simmons, A. T. London: MacMillan
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