HYDROMETER

Definition and Citations:

An instrument for measuring the density of liuids. Being immersed iuliuids, as iu water, briue, beer, brandy, etc., it determines the proportion of theirdensity, or their specific gravity, aud theuce their quality. See Rev. St U. S. i 2018 (U. S.Comp. St 1001, p. 1027.)