Emerson, William, 1701-1782 · London : Printed for J. Nourse · leaf 154
tfelfall over upon the earth: and like other fluids willgravitate upon, and prefs every where upon its fur-face. The gravity and preflure of the air is alfoevident from experiments. For (fig. 70.) if water,&c. be put into the tube ABF, and. the air bedrawn out of the end F by an air-pump, the… … VlJM.^aj34
Mechanical engineering
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep01muss-522-85.webp)
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