10 Of colours10 Of colours12 Of colours12 Of coloursOf coloursThe Newton Project Knowledge Graph2020-10-08Journal12 Of colours10 Of colours15 Put as much common Sublimate into hot faire water as it can dissolve filter the solution through cap paper that it may be lympid. & into 2 spoonefulls of it, put about 5 drops of good limpid spirits of urine & it will be white like milke, to which if you put in some rectified Aqua=fortis it will be transparent. more fresh spirit of urine will make it looke white but not so white as before, 16 Make a strong Infusion of broken galls in faire water filter it into a cleane violl ad more of the same liquor to it till it be transparent. into it shake a convenient quantity of cleare but very strong solution of vitrioll & it will be black, then drop a little cleare & strong oyle of vitrioll into it shakeing the vessell well & the liquor will become transpar{ent} which againe will become black by the affusion of a smal{l} quantity of a strong solution of salt of tartar. Continue reading…