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Smith, G. / The laboratory; or, School of arts: containing a large collection of valuable secrets, experiments, and manual operations in arts and manufactures, highly useful to gilders, jewellers, enamellers, goldsmiths, dyers, cutlers, pewterers, joiners, japanners, book-binders, plasterers, artists, and to the workers in metals in general; and in plaster of paris, wood, ivory, bone, horn, and other materials
(1799)
Part XIII. A collection of receipts of various kinds, pp. 396-452
Page 396
.1ow to make BRack-Soap.
TKE .thirty pounds of unslacked lime, in whole
'pieces, and ninety pounds of goo andtortg, pot-
ashli Mbake a border with the pot-ash round th Rni
th manner bricklayers do their mortar, and, witha e
boondipped in water, sprinkle the lime, by-ltled
little,, that the lime may be. heated ; an wlcv t.isWl
mollified, let one with a spade mix the lime wit the ashs
whilstarnother sprinkles it wit waer, round abot till
you perceive no- dust, and you¢anno disiguih h
ases fcrm the lime., Being thus wel mixed an incor-
Forated, close it up witha your spade ina hea and et
it lie for three or four hous in which time it w¢illhet
anid work ; when you find it makes chinks and clefts is
a si-q that it is risen. If it be in the winter-season ten
cover
3:M,
THELABRTOT
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