This is used in the same way as the silver and gold plating fluid.


13. TO GILD STEEL

Pour some of the ethereal solution of gold into a wine-glass,
and dip into it the blade of a new penknife, lancet, razor, &c.,
withdraw the instrument and allow the ether to evaporate, the blade
will then be found to be covered with a beautiful coat of gold; the
blade may be moistened with a clean rag or a small piece of very dry
sponge dipped into the ether, and the same effect will be produced.


14. TO GILD COPPER, BRASS, &c.--BY AN AMALGAM

The gilding of these inferior metals and alloys of them is effected
by the assistance of mercury with which the gold is amalgamated. The
mercury is evaporated while the gold is fixed by the application of
heat, the whole is then burnished of left mat in the whole or in
part, according as required.


15. GILDING GLASS AND PORCELAIN

Dissolve in boiling linseed oil an equal weight either of copal or
amber, and add as much oil of turpentine as will enable you to apply
the compound or size thus formed as thin as possible to the parts of
the glass intended to be gilt; the glass is to be placed in a stove
till it is so warm as almost to burn the fingers when handled. At
this temperature the size becomes adhesive, and a piece of leaf