A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 160
, already em-ployed in ^ 71, is to be connected with a mercurymanometer (aJ) constructed as follows: two bottles,a and 6, are each provided with two siphons passingthrough an air-tight stopper, one to the top, theother to the bottom of the bottle. The long siphons … Fig. 62. and a thick-sided rubber tube connecting them arefilled with mercury, and enough more is added tofill both bottles half-full. The mercury stands natur-ally at the same level in the two bottles; and withoutdisturbing this level, the tube c is connected to theshort siphon of one of the…
Physics
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