The Archive · 1890

SCIENTIFIC MISCELLANY

study of the medical system of Tibet is being made by M. Ptiteyn, who has secured " valuable collection of the books and drage employed, and has taken samples of 202 of the latter' to the St. Petersburg Medical Academy for analysis, The Ti-befan authorities recognise 101 diseases, and use 429 drugs, Two of the diseases and three of the drugs are attributed to a mythical origin, The other drugs are chiefly herbs, seeds, fruits, roots and flowers, and partly auineral matters, all of which are bought from Cirinese shops, while quinine is obtained from Russia, The chief medical work is the story of the God of Medicine. M. Ptitsyn visited university of Buddhist priests, at which the course of study occupies ten years, the first four being devoted to lingual, religious and industrial studies, the next' three to medicine (if the student desires to follow [the medical profes ion), the eighth to astronomy and astrology, and the last: two to philosophy and theology.

The earliest. rainfall record, according to Mr. W. B. Tripp, of the Royal Meteorological Society, is that of Paris, which commenced in i689. 'The English' records began in 1726, In the southern hemisphere, the observations were not commenced until 1839 at Adelaide, and only in 11866 in New Zealand. At the stations mentioned by Mr. Tripp the greatest, rainfall recorded for any year was 160.9 inches at St. Bernard in 1839, and the least was inches at San Diego, Cal., in 1866. By "combining the principal records for the {northern and southern hemispheres, it is found that in recent times the years with highest average rainfall were 1878, 1879 jand 1883, and the years with the lowest average were 1854 and 1861, Experiments have been made in Frauca with gun-tubes, projectiles and armour-plates of steel tempered in lead. The steel raised tu a red heat, plunged in molten (lead, and then allowed to cool gradually, The strength and elasticity of the material are said to be much increased by the process. (o'The electric acoumeter of Dr. Cheval, of Brussels, is a taodification of Prof. Hughes' sonometer, and furnishes an accurate test of the hearing. It consists of three flat production, paying annually $10,000, out cuils—the middle one fixed and the others of a collection to be made by them of 8 sliding—placed parallel to one another on mandarins per piece," whether earthen- a graduated rod passing through their axes, ware jar, wooden vat, or bamboo basket. The rod and coils are arranged on a board,

Text read from the printed page and cleaned; old type leaves the occasional error.

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