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Little Memorandum of Tincture for Ye use of Mr. Banks drawn by his friend & G.t Lauraga
We call d'ying, to fix a colour to a substance not coloured before. -
Whence it follows 1º that there are bodies, which have colouring Parts 2º that they can be extracted from them, & transfered upon other Bodies.
Thus the art of dying consists 1º in the analysis of colouring Parts, 2º in the means of adapting them, & the summit of that art, will be in having the finest colours 2º in rendering them unchangeable
It results of what we have said, that ye. Proceeding of dying, depends from ye nature of coloured Bodies, Thus the analogy betwixt the [Muoquous?] substance. abounding in Animals. & the Muscillaginous substance abounding in Vegetables. & ye connection of those two substances with Gums & rosins, both - proper to vegetables, shall be the Basis of all operations on this two Reigns.
But in the animal and vegetable reign, the colouring Part, is not constantly of the same nature ; neither connected