Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 342
ty-tube, and the gas canthen escape freely into the atmosphere. The safety-tube also enablesus to introduce liquids into theflasks during the experiment,without removing the cork. When the vessel used for mak-ing gas is a retort, the safety-tube may be attached to the exit-tube, as represented in… … rig. 289. 818 CHEMICAL PHYSICS. represented in Fig. 290. The safety-tube may then be a simplestraight tube surmounted by a funnel, and dipping a few milli-metres below the surface of the liquid in the bottle. If, as be-
Matter · Heat
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