配方类型:

ELEMENTARY PREPARATIONS

配方说明:

配方组成:

water/40 fl oz
stir until dissolve
powdered gum arabic/1 oz
water/10 fl oz
B) silver nitrate/4 oz
A) soda ash/1 oz
powdered gum arabic/4 oz
lampblack/2 oz

配制方法:

stir this in a glass or porcelain dish until dissolved do not expose the mixture to strong light or it wuill spoil then pour into a brown glass bottle in using these solutions oet the cloth woth wolution a and allow to ery then write on et with wolution b using a quill pen