Page:History of the Royal Society.djvu/243

 or Coals to burn in it, till they extinguish themselves.

Experiments of including living Animals, and kindled Coals, and Candles, in a large Glass, to observe which of them will be first extinguish'd: of a Man's living half an Hour, without any Inconvenience, in a Leaden Bell, at diverse Fathoms under Water: of the Quantity of Air respir'd at once by a Man: of the Strength a Man has to raise Weights by his Breath.

Experiments of the swelling of an Arm put into the rarifying Engine, by taking off the Pressure of the Ambient Air: of the swelling of Vipers and Frogs, upon taking off the Pressure of the Ambient Air: of the Life, and free Motion of Fishes in Water, under the pressure of Air eight Times condens'd: of Insects not being able to move in exhausted Air: of the resistance of Air to Bodies mov'd through it: of the not growing of Seeds for want of Air: of the growing of Plants hung in the Air, and of the Decrease of their Weight: of the living of a Cameleon, Snakes, Toads, and diverse Insects, in a free Air, without Food: of conveying Air under Water to any Depth: of condensing Air by Water, and by the Expansion of freezing Water: of the swelling of Lungs in the rarifying Engine: of the Velocity and Strength of several Winds.

The third kind are those which have been made about the substance and properties of Water: Such are,

Experiments about the Comparative Gravity of salt Water, and fresh, and of several Medicinal Springs found in this Nation: of the different Weight of the Sea-water, in several Climates, and at several Seasons: Rh