standing of Mercury well exhausted, many Inches, nay many Feet, above its usual standing; of a Wheel-Barometer, of the Expansion, and Contraction of Glass and Metals by Heat and Cold; of Spirit of Wine, and several ting'd Liquors, by the Help of a Glass Tube; the Examination of Monsieur Paschal's Experiment by many others.
Of Light, Sound, &c.The ninth are Experiments of Light, Sound, Colours, Taste, Smell; as of two transparent Liquors producing an opacous one: of Echoes and reflected Sounds; of musical Sounds and Harmonies; of Colours; of the greater Refraction of Water than of Ice; of Refraction in a new Engine; of the Refraction of Glass of various Shapes under Water; of destroying the shining of Fish by Oil of Vitriol; of making a great Light by rubbing two Chrystals hard one against the other; of making a deaf and dumb Man to speak.
Of Motion.The tenth are Experiments of Motion: as of Glass Drops several Ways order'd and broken; of the Velocity of the Descent of several Bodies of diverse Fashions through several Liquors; of determining the Velocity of Bodies falling through the Air, tried by many Ways; of the swift Motion of Sounds; of the irregular Motion of the Oil of Turpentine on Spirit of Wine; of the Strength of falling Bodies, according to the several Heights, from which they fall; of proportioning the Shapes of Bodies, so as to make them fall together in the same Time through differing Mediums.
Experiments of the Swiftness of a Bullet shot with extraordinary Powder; of the best Figure of the