Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 272
<C!=:!!r^^ … Fig. 198. Fig. 199. of 760 mm of mercury at 0° G. in the latitude of Paris (48°60), 60 meters above sea-level. Then the space between thetwo points found is divided into a convenient number ofequal parts (provided that the bore of the tube is of uniformdiameter) called degrees, and the scale is…
Physics
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