Emerson, William, 1701-1782 · London : Printed for J. Nourse · leaf 155
VlJM.^aj34 … . IL-A.,,.. pi.Tnr.^tfjj-/. r Sea. VI. P N E U M A T I C S. 135 perties and efFefts are certain, yet the air is a fluid Fig.fo very fine and fubtle, as to be perfectly tranfpa- 70.rent, and quite invifible to the eye. Cor. I. ^he air, like other fluids, will, hy itsweight and fluidity, infinuate…
Mechanical engineering
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