it will produce a beautiful scarlet.


424. BRUSH VARNISH

Take of spirits of wine 1 pint, gum benzion half a pound; dissolve
the gum in the spirits. It may be laid on with a camel hair brush,
or a small piece of wool rolled in old cotton.


425. TO BORE GLASS

Fill a vial with turpentine spirits, dissolve in it as much camphor
as it will take, insert then into this liquid the point of a common
diamond pointed drill, and with it you can bore glass as fast as
you please.


426. GERMAN SILVER

Take of nickle 25 parts, zinc 25 parts, copper 50 parts, melt all
together, and you have good german silver.


427. BRASS

Brass is made by melting together a little less than two parts of
copper, and one part of zinc.