Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 601
mp, through a U tube, n, filled with pieces of pumice-stone moistened with sulphuric acid; but before finally adjustingthe apparatus, a small glass bulb, completely filled with waterand hermetically sealed, was introduced into the glass globe.After the adjustments were completed, the interior of… … rig. 410. HEAT. 577 the tube i hermetically sealed by the flame of a blowpipe. Theglobe was next surrounded by melting ice, and the tension of thesmall amount of air left in it carefully determined by measuringwith a catheitometer the difference of level of the mercury in thetwo barometers. The ice…
Matter · Heat
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