442 A Treatise on 
They are very ufefuHo Dyers ; and are alfo an 
Ingredient in Ink j the beft Method of making 
which is this. 
Take of River- water feiv. White-wine ffeij. A - 
leppo Galls bruited §iv. Macerate them for 
twenty-four Hours, fhaking them now and 
then about in the Veflel. Afterwards boil them 
for half an Hour, and remove the Scum with 
a Feather. Then taking the VefTel from the 
Fire, add of Gum Arabick ^iifs. Hungarian 
Vitriol §ij. Roch-allum and Sugar-Candy, a 
Jfs. Let them Hand together in Digeftion a- 
gain for twenty-four Hours, afterwards boil 
them a Quarter of an Hour, and then ftrain 
the Decodtion through Linnen. 
A SUPPLE- 
