Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 353
cale of minimum temperatures, and the instrument is completed. Toprepare for an observation, let the enamel index be brought, as inRutherfords minimum, to the top of the liquid: then holding or plac-ing the instrument horizontally, let the steel index be brought by themagnet to the top of the… … I had contrived this instrument before that described at page 221,vol-ume x, but passed from it at the time, in apprehension of not finding aliquid suitable for the suspension of the minimum index. Spirit and anal-ogous liquids tend to diffuse with the mercury when in a horizontal col-umn, and each…
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