oxide of lead with the thickest drying oil that can be procured, the
older the better. To make it work freely, it is mixed, before being
used, with a little oil of turpentine, till it is brought to a
proper consistence. The above four receipts are used in japanning.


187. JAPANNING

If it be woodwork you are about to japan, it must be prepared with
size, and some coarse material mixed with it to fill up and harden
the grain of the wood, (such as may best suit the colour to be laid
on,) which must be rubbed smooth with glass paper when dry. In cases
of accident, it is seldom necessary to resize the damaged places,
unless they are considerable.


188. GRINDING COLOURS IN JAPANNING

Be very careful in japanning, to grind your colours smooth in
spirits of turpentine, then add a small quantity of turpentine and
spirit varnish, lay it carefully on with a camel hair brush, and
varnish it with brown or white varnish, according to the colour.


189. COLOURS REQUIRED IN JAPANNING

Flake white, red lead, vermillion, lake, Prussian blue, patent
yellow, orpiment, orchres, verditers, vandyke brown, umber,
lamp-black, and siennas raw and burnt. With these you may match
almost any colour in general use in japanning. For a black japan, it