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Lab′o-ra-to-ry — ap-pa-ra′tus.

Instruments and appliances used by the chemist in his study. Among them may be cited the cupellation-furnace h, cupel f, Liebig's condenser g, the retort and filterstand h, measuring-glasses i i, pipette k.

Laboratory-apparatus.

A filter for chemical solutions, without access of fresh bodies of atmospheric air, is also shown in the figure; the vessel a containing the solution and the filtering-matter occupies the neck. As the liquid reaches the vessel b it displaces a body of air, which passes by the pipe c to the chamber a, entering through the stopple d, which is ground or provided with cork. See also balance.

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Liebig (1)
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