A Dictionary of science, literature, and art [electronic resource]: comprising the history, description, and scientific principles of every branch of human knowledge; with the derivation and definition of all the terms in general use (1844)
Brande, William Thomas, 1788-1866, Cauvin, Joseph · New York : Harper & brothers · leaf 142
ys together, do hot exceed afew hundredths of an inch. It therefore was considereddesirable to render these minute oscillations more appar-ent by increasing their range; and accordingly, of thenumerous forms which the barometer has received, or■which have been suggested, the greater part have… … Fig. 1. is the Cistern Barometer, and is merely the in-verted tube of Torricelli already described. The tubemust be about 34 inches long. When placed in the cis-tern, the mercury sinks till the column between the twosurfaces m and «just counterbalances the pressure of theair. The space above the…
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