Ed.
[549]. It was known to be a remedy for this disorder at least two hundred years ago; for, in a work entitled, “The Surgeon’s Mate, or Military and Domestic Medicine,” by John Woodall, master in Surgery, London, 1636, the author concludes his eulogium of lemon juice, by saying, “I dare not write how good a sauce it is at meat, lest the chief in the ship should waste it in the great cabin to save vinegar.”
[550]. Essential Salt of Lemons. See Potassæ Super-tartras.
[551]. Ward’s Essence for the Head-ache.—Nothing more than Liniment. Camph. Comp.
[552]. Steer’s Opodeldoc.—Castille Soap ℥j, Rectified Spirit, f℥viij, Camphor ʒiiiss, Oil of Rosemary fʒss, Oil of Origanum fʒj. Solution of Ammonia fʒvj.
Bates’s Anodyne Balsam.—It consists of one part of Tincture of Opium, and two of Opodeldoc, i. e. Liniment. Sapon. comp.
Freeman’s Bathing Spirits.—Liniment. Saponis comp. coloured with Daffy’s Elixir. Jackson’s Bathing Spirits differs from the former in the addition of some essential oils.
Lynch’s Embrocation.—Olive oil impregnated with Bergamot and some other essences, and coloured with Alkanet root.
[553]. Since the last edition of this work, Mr. Dalton has discovered the very curious fact, that lime is more soluble in cold than in hot water, and has given a table of quantities from which he concludes that the quantity held in solution by water at 32° Fah: is nearly double that retained by water at 212°. Mr. Phillips has lately taken up the subject, and confirmed the statement of Mr. Dalton.
| thus 10.000 | gr. of water, at | 212°, | dissolve | 7.8 | of lime |
| 10.000 | gr. of water, at | 32°, | 15.2 |