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Classic
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page 293
in fine powder. Mix them with a sufficient quantity of hot (but not boiling)
water, to a proper thickness; and lay it on with a whitewashed brush, which
should be new. If the wall be quite smooth, one or two coats will do; but each
must be dry before the next is put on The month of March is the best season for
doing this.
Mason's Washes for Stucco.
Blue.--To four pounds of blue vitriol, and a pound of the best whiting, put a
gallon of water, in an iron of brass pot. Let it boil an hour, stirring it all
the time. Then pour it into an earthen pan; and set it by for a day or two, till
the colour is settled. Pour off the water, and mix the colour with whitewasher's
size. Wash the walls three or four times, according as is necessary.
Yellow.--Dissolve in soft water over the five equal quantities separately of
umber, bright oker, and blue black. Then put it into as much whitewash as you
think sufficient for the work, some of each, and stir it all together. If either
cast predominates, add more of the others till you have the proper tint.
The most beautiful whitewash is made by mixing the lime and size with skimmed
milk instead of water.
Roman Cement or Mortar, for outside plaistering or brickwork.
This will resist all weather; and may be used to great advantage to line
reservoirs, as no water can penetrate it.
Take eighty-four pounds of drift-sand, twelve pounds of unslacked lime, and four
pounds of the poorest cheese grated through an iron grater. When well mixed, add
enough hot (but not boiling) water to make into a proper consistence for
plaistering, such a quantity of the above as is wanted. It requires very good
and quick working. One hod of this mortar will go a great way, as it is to be
laid on in a thin smooth coat, without the least space being left uncovered. The
wall or lath-work should be covered first with hair-and-lime mortar, and well
dried. This was used by the ancients and is now
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