A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 233
ses, bubble bybubble, eventually filling the jar. When that is accom- By whom was the doctrine of the plurality of gases established ?Who invented the pneumatic trough? Describe it. How arc thejars filled ? 220 GASOMETER AND MERCURIAL TROUGH. plished the jar may be moved to one side, or, a… … Fig. 187. cylindrical vessel, counterpoised in a tank of water bythe aid of chains and weights. Two pipes open into itbelow, one to bring in the gas from the factory, theother to distribute it where wanted. As gas accumu-lates, the cylindrical vessel rises out of the water moreand more, until, when…
Chemistry · Physics
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