Formulæ for fine Injections.

Red.—Brown spirit varnish, white spirit varnish, a.a.4 ℥.
Red.—Turpentine varnish,*1 ℥.
Red.—Vermilion,1 ℥.
Yellow.—The same, substituting King’s yellow,1 1/4 ℥.
White.—Substituting best flake white,2 ℥.
Light blue.—Substituting fine blue smalt,1 1/2 ℥.
Light blue.—Best flake white,1 1/4 ℥.
Dark blue.—Substituting blue verditer,4 ℥.
Black.—Lamp-black, 1/2 ℥.

* The varnishes go by measure.

Formulæ for Minute Injections.

The size which constitutes the principal part of these formulæ, is made in the following manner: