Spons' Encyclopaedia of the Industrial Arts, Manufactures, And Commercial Products
The book Spons' Encyclopaedia of the Industrial Arts, Manufactures, And Commercial Products was written by author E Edward Spon Here you can read free online of Spons' Encyclopaedia of the Industrial Arts, Manufactures, And Commercial Products book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Spons' Encyclopaedia of the Industrial Arts, Manufactures, And Commercial Products a good or bad book?
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Pulegium (pennyroyal), sp. gr. 0-927, boils at 183°-188° (361J°-370J° F.). M. viridis (spearmint), see p. 1431. M. australis, resembles 2nd quality peppermint-oil. M. gracilis, with an odour of peppermint and pennyroyal, sp.gr. 0'914. M. laxiflora, sp. gr. 0-924, coarse odour; fiery, bitter, nauseous flavour. Much more important than these, is a peppermint of China and Japan, which E. M. Holmes considers most like M. canadensis. This plant is distilled at Canton, whence an export of 800 lb. of ...the oil, valued at 30s. a lb., was specified in 1872 ; there are also large plantations of it in Japan, and the oil (frequently adulterated) is shipped from Hiogo and Osaka, These Chinese and Japanese oils afford much more menthol than other kinds. Seeds of the plant and quantities of the camphor (menthol) yielded by it are imported into this country by T. Christy and Co., 155 Fenchurch St., London. Petit-grain-oil. — The oil or essence of petit-grain is produced on a large scale by distillation of the leaves and young shoots of both the bitter and sweet varieties of orange (see p.
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