Corollaries.
1. Quicksilver, in itself very insipid, by meer shaking, acquires a metallic Taste of Copper.
2. From being very mild, it becomes sharp and penetrating.
3. From a very bright Silver Colour, it turns very black.
4. From a Fluid, it becomes Solid in the Form of Powder.
5. It may therefore be concealed under the Appearance of such a Powder, and deceive the Ignorant.
Experiment II.
Quicksilver exceedingly well purified, and treated as aforesaid ([Exper. 1.]) gives the same Powder in much greater Plenty.