An historical and philosophical account of the barometer, or, weather-glass, wherein the reason and use of that instrument, the theory of the atmosphere, the causes of its different gravitation are assigned and explained. And a modest attempt from thence made towards a rational account and probable judgment of the weather / By Edward Saul, A.M.

  • Saul, Edward, 1677-1754
Date:
1766
Catalogue details

Licence: Public Domain Mark

Credit: An historical and philosophical account of the barometer, or, weather-glass, wherein the reason and use of that instrument, the theory of the atmosphere, the causes of its different gravitation are assigned and explained. And a modest attempt from thence made towards a rational account and probable judgment of the weather / By Edward Saul, A.M. Source: Wellcome Collection.

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    C x5 ] f, ^HIS /*lnt of Galilceo, was farther pur¬ sued and improved by the famous Torricel¬ lis, z Florentine-, who, about the Year 16,7 tTe°ni uerrETrimentS for difcoS: ,W^glf, °f the Air> fo™ed the fij lotigh Model of a Barometer, in a Pipe or Tube of 60, and afterwards of 40 Feet in De„”lh J Wh“ 'f inS tagged and fu” Ltrifled h ^ i°f and *e extracted by a. Sucker, the Water was al ways obferved to follow the Sucker, and to n e and continue fufpended within the Tube to the Height of 32, or 33 Feet with feme little Variation, but couidby no Art be drawn or kept up to the Height of 38 or 40 Feet: which plainly proved the Fuga Fa cm not to be infinite, but to be limited within narrow Bounds and dw prefixed by natural Caufes admin? e Encreafe, or Excefs 'ttm8 of no O feme Sfi v7 1 Cad °f Water (which tonuJ , fay’ was ^together acciden tal) he found the Effed: equally, a?d fur pnzmgly to anfwer s and by the' Ad5feta« of fo heavy a Fluid, he reduced the Barf Wter m i« Length, from 4„ Fe« B°g *3 or