When water is added to the chloride of lime, one half of the chloride leaves the lime, and dissolves in the water; and this is the bleaching liquid of the shops which is sold at a high rate, although it cannot cost more than a farthing a gallon! Let not the cheapness, however, suffer this liquid to be overlooked, as its purifying properties are unquestionable.
Equal parts of muriate of silver, common salt, and cream of tartar, form a composition well calculated for silvering the dial-plates of clocks, the scales of barometers, &c. by simply rubbing the powder upon them and afterwards washing off the saline particles with water.
To Preserve Steel or Iron from Rust
Take 1 lb of hog’s lard free from salt, 1 oz. of camphor, 2 drachms of black lead powder, and 2 drachms of dragon's blood in fine powder, melt the same on a slow fire until it is dissolved, and let it cool for use.
Take a sponge and steep it well in fat. and then cut it in pieces, and lay them in the rat- oles, and the rats will soon be destroyed.
Harness Makers Jet.
Take 1 drachm of indigo, a quarter of an oz of isinglass, a quarter of an oz of sort soap, 4 oz. of glue, a pennyworth of logwood raspings, a quart of vinegar, and a small quantity of green vitriol; boil the whole