Experiment the ninth, Of the Greeniſh Blew tranſparency of Leaf Gold ([198]).
Experiment the tenth, Of the curious Tinctures afforded by Lignum Nephriticum (from [199] to [203]). Several trials for the Inveſtigation of the Nature of it (from [204] to [206].) Kircher's relation of this Wood ſet down, and examin'd (from [206] to [212]). A Corollary on this tenth Experiment, ſhewing how it may be applicable for the Diſcovering, whether any Salt be of an Acid, or a Sulphureous, and Alcalizate Nature (from [213] to [216]).
The eleventh Experiment, Of certain pieces of Glaſs that afforded this Variety of Colours; And of the way of ſo Tinging any Plate of Glaſs with Silver (from [216] to [219]).
The twelfth Experiment, Of the Mixing and Tempering of Painters Pigments ([219], [220], [221]).
The thirteenth Experiment, Of compounding ſeveral Colours by Trajecting the Sun-beams through Ting'd Glaſſes (from [221] to [224]).
The fourteenth Experiment, Of the Compounding of Real and Phantaſtical Colours, and the Reſults ([224], [225], [226].) as alſo the ſame of Phantaſtical Colours ([226], [227].)
The fifteenth Experiment, Of Varying the Trajected Iris by a Colour'd Priſm ([228], [229].)
The ſixteenth Experiment, Of the Red fumes of Spirit of Nitre, and, the reſembling Redneſs of the Horizontal Sun-beams ([230], [231].)
The ſeventeenth Experiment, Of making a Green by nine Kinds of Compoſitions (from [231] to [236].) And ſome Deductions from them againſt the neceſſity of recurring to Subſtantial forms and Hypoſtatical principles for the production of Colours (from [237] to [240].)
The eighteenth Experiment, Of ſeveral Compoſitions of Blew and Yellow which produce not a Green, and of the production of a Green by other Colours ([241], [242].)