tag="{http://www.w3.org/1999/xhtml}a">196).

Experiment the eighth, Of the Yellowness of the Flame of a Candle (197).

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.)

The nineteenth Experiment, contains several instances of producing Colours, without the alteration of any Hypostatical principle, by the Prism, Bubbles, and Feathers ( from 242 to 245.)

The twentieth Experiment Of turning the Blew of Violets into a Red by Acid Salts, and to a Green by Alcalizate (245, 246.) and the use of it for Investigating the Nature of Salts (247, public@vhost@g@gutenberg@html@files@14504@[email protected]#Page_248" class="pginternal"