and Oyl of Turpentine made by Digeſtion ([279].)
The thirty fourth Experiment, of drawing a Volatile red Tincture of Mercury, whoſe Steams were white, but it would Tinge the Skin black ([279], [280].)
The thirty fifth Experiment, of a ſuddain way of making a Blood red Colour with Oyl of Vitriol, and Oyl of Anniſeeds, two tranſparent Liquors ([280], [281].)
The thirty ſixth Experiment, of the Degenerating of ſeveral Colours exemplify'd in the laſt mention'd Blood red, and by Mr. Parkinſons relation of Turnſol, by ſome Trials with the Juice of Buck-thorn Berries, and other Vegetables, to which ſeveral notable Conſiderations and Advertiſements back'd with Experiments are adjoyn'd (from [281] to [288].)
The thirty ſeventh Experiment, Of Varying the Colour of the Tinctures of Cochineel, Red-cherries, and Braſil, with Acid and Sulphureous Salts, and divers Conſiderations thereon (from [288] to [290].)
The thirty eighth Experiment, About the Red fumes of ſome, and White of other diſtill'd Bodies, and of their Coalition for the most part into a tranſparent Liquor ([290], [291].) And of the various Colours of dry Sublimations, exemplify'd with ſeveral Experiments ([292], [293], [294].)
The thirty ninth Experiment, Of Varying the Decoction of Balauſtiums with Acid and Urinous Salts ([294], [295].) Some Annotations wherein two Experiments of Gaſſendus are Related, Examined, and Improv'd (from [295] to [302].)
The fortieth Experiment, Of the no leſs Strange than Pleaſant changes made with a Solution of Sublimate (from [301] to [306].) The difference between a Chymical axd Philoſophical Solution of a Phænomenon ([307], [308].) The Authors Chymical Explication of the Phænomena, confirm d by ſeveral Experiments made on Mercury, with ſeveral Saline Liquors (from [308] to [310].) An Improvement of the fortieth Experiment, by a freſh Decoction of Antimony in a Lixivium ([311], [312], [313].) Reflections on the tenth, twentieth, and fortieth Experiments, compar'd together, ſhewing a way with this Tincture of Sublimate to diſtinguiſh whether any Saline Body to be examin'd be of a Urinous or Alcalizate Nature (from [314] to [317].) The Examination of Spirit of Sal-armoniack, and Spirit of Oak by theſe Principles (from [316] to [319].) That the Author knows ways of making highly Operative Saline bodies, that produce none of the before mention'd effects ([319], [320].) Some notable Experiments about Solutions and Precipitations of Gold and Silver ([320], [321].)
The one and fortieth Experiment, Of Depriving a deep Blew Solution of Copper of its Colour ([322].) to which is adjoyn'd the Diſcolouring or making Tranſparent a Solution of Verdigreaſe, &c. and another of Reſtoring or Increaſing it ([322], [323].)
The forty ſecond Experiment, Of changing a Milk white Precipitate of Mercury into a Yellow, by Affuſion of fair Water, with ſeveral Conſiderations thereon (from [323] to [326].)