This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1861 edition. Excerpt: ...A box on the top contains the spring, which causes a wheel to revolve In front; round this, an endless chain passes over two Sulleys to the spit, which goes through on tie side or the tin screen. By means of a series of holes, and shortening or lengthening the chain, the height of the spit can be alj us t.d; and there is a fly-wheel to regulate the motion--See Bottle Jack. JACKDAW-A well-known bird of the rook genus. The bill and legs are black; the claws strong-and hooked; eyes white; and the hinder part of the head and neck silvery gray; the rest of the plumage is of a JALAP.--A medicinal agent derived from a root indigenous to South America, It is a stimulant cathartic, performing its office briskly, and safe and efficacious, although occasionally griping severely. It Is a good medicine in the torpid state of theintestines; and for children who are troubled with worms. A drop or two of Borne essential oil, as the oil of carraway or aniseed, should be added to each dose of jalap, to prevent griping. The dose is from ten grains to half a drachm, given in the form of pill or powder. JAM.--Fruit boiled down with sugar to the consistence of a paste. Jams form valuable domestic stores, supplying us the flavour and essences of fruits at such times as they are no longer in season. In the preparation of this confection. Borne little care and nicety are demanded; ordinarily they are prepared in stewpans" lined with enamel, and placed over the fire of the kitchen. An improved method of preparing jams, however. Is through the medium of the small portable French stove or furnace in the accompanying illustration; this is furnished with a trivet and stewpan, and is exceedingly convenient for the purpose intended. By this furnace all...