Prov'd by Mechanicks : Wherein the Principles and Laws of Physicks, Mechanicks, Hydrostaticks, and Opticks, are Demonstrated and Explained at Large, by a Great Number of Curious Experiments : with a Full Description of the Air-pump, and the Several Experiments Thereon : as Also of the Different Species of Barometer, Thermometers, and Hydrometers, as Shewn at the Publick Lectures in a Course of Mechanical and Experimental Philosophy