C 1464 ) 
Common Wafer 5 and is now ftiil heavier in Augufi fol- 
lowing, becaufe of the exceeding dry Weather of that 
Summer. But in general about Midfummer, if the Wea- 
ther is no ways extraordinary, it’s pretty equal to com- 
mon Water in weight.' 
A fingle Grain weight of good Gall will turn a Pint 
and a half of this Water of a very noble deep red, and 
in an inftant. Syrup of Violets turns it of a Grafs green. 
With the Infufion of Brafile it giveth a deep lively Blue : 
With that of Lign. nephr. firft a light Green, then a light 
Yellow, with a Blue Crown: With the Infufion < 5 f Log. 
wood, a blue Black: With that of Fnftick Wood, a 
dusky Yellow,: With the Flowers of Pemgranates, a fair 
Violet : With Leaves of Thea, a fine purplifti Blue : With 
good Nanis Brandy, an Elegant Sky-colour. It turns a 
Solution of the'Sac'ch. Saturn ■ Milky in an InfhnQ and 
the Solution of Sublimate in fome time longer. Ol. tarL 
per deliq. fp. Sal • Armon. Jj>. Vitr. &c.- make n® fenfible 
alteration. 
In Calm Weather, in Winter efpeciafly, a thick oyly | 
Film covers the furface of thefe Waters, of as great a va- 1 
riety of Colours as a Rainbow 5 a Spoonful of it drunk, 
hath the effed of, and compofeth as much to S!e p, as a 
cnoderat&Dofe of Opium. Some of this Scum, being dry- ? 
ed by Evaporation, rafted very fat, and felt fo between 
the Fingers. Some of this Powder being caft upon a red- 
hot Iron, moft of it immediately burnd away with fome 
fparkling 5 and what remain'd was of the Colour of Ruft 
of Iron, and tafted partly Stiptick and Earthy, and part- 
ly Saltilh. • 
The Water it felf, being gently evaporated, yields a 
Yeljowilh Sediment, more or left, according to the Sea- 
sons. Laft Spring a Quart yielded fix Grains of it $ but 
in September following, the fame Quantity afforded me 
nine Crains 5 whereas a Pound of Tunbridge Water gave 
but one fingle Grain of Sediment to Mr .Boyle, as appears 
