“ About the raising of Mercury to a great height in an open Tube, by the Spring of a little included Air; wherein 'tis discours'd, how this Experiment may be made use of against those, who in the explication of the Torricell. Experiment recurr to a Funiculus, or a Fuga Vacui.
2. Sheweth, that much included Air rais'd Mercury in an open Tube no higher, than the weight of the Atmosphere may in a Baroscope: where notice is taken of the great force of the Spring of the Air then when it could not raise the Mercury any higher. ”

“ And saving cleared this by Experiment, he proceeds to consider its Vertues; where, after a short account given of the Original of most Diseases, how they arise from a vitiating of the several Ferments, either causing a rawness, or over-acidity, or other hostile qualities in the Nutritive Juyce; he declares, for what Diseases this Spaw is proper, and for what not; affirming, that it avails nothing in Pestilential Diseases, Pleurisies, Poysons, Leprosie, the Lues Venerea, Morphew, Cancer, Falling-Sickness, Apoplexy, Palsie, Asthma ”

“ To give a Spherical Figure to a Plain by a Plain, (which at first sight may seem at Paradox) by moving one Plain upon another by a circular Motion, proceed to this manner: Let the piece to which the Glass to be wrought is fastned, be adjusted in the head of a Pole, which is to be of the length, the Semi-diameter of the Sphere of the Lens requireth; and, upon the Stool or Form, where you intend to work, let there be put a Plain of Iron or other Mettal, level to the Horizon; and perpendicularly over this Plain let the Pole be fasten'd to the Ceeling of the Room, if it be high enough ”