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Scientific American Supplement, No. 711, August 17, 1889   By:

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Scientific American Supplement. Vol. XXVIII., No. 711.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.


I. AGRICULTURE. How to Raise Turkeys. A collection of hints and suggestions on the raising of the delicate fowls, so often the cause of trouble to farmers. 11364

Pear Duchesse D'Angouleme. The history of the famous pear tree, with hints as to its culture and general treatment. 11362

II. BIOLOGY. Development of the Embryo. A note of some interesting biological researches. By Prof. PREYER, of Berlin. 11365

The "Hatchery" of the Sun Fish. A curious incident in the life history of the common sunfish. 1 illustration. 11363

III. CHEMISTRY. On Allotropic Forms of Silver. By M. CAREY LEA. A continuation of this paper, containing one of the most important researches in the history of silver, with statement of interesting results attained. 11361

On the Occurrence of Paraffine in Crude Petroleum. A valuable contribution to the history of paraffine, with reference to petroleum and ozokerite. 11361

Turpentine and its Products. By EDWARD DAVIES. A resume of the work done by chemists in the turpentine products. The different compounds produced therefrom. 11361

IV. ELECTRICITY. Electric Lighting at the Paris Exhibition. The Oerlikon works. A very exhaustive exhibition of electric apparatus described and illustrated. 12 illustrations. 11356

Magnetism in its Relation to Induced Electromotive Force and Current. By ELIHU THOMSON. A most impressive paper, bringing the obscure laws of magnetic induction within the understanding of all without the application of mathematics. 12 illustrations. 11354

The Ader Flourish of Trumpets. One of the curiosities in telephony from the Paris exhibition, by which sounds are transmitted to a large audience. 4 illustrations. 11358

The Electric Motor Tests on the New York Elevated Railroad. Abstracts of tests which were recently made of the Daft motor on the elevated railroad of this city. 11353

V. ETHNOLOGY. Ancient Lake Dwellings. Interesting abstract of what is known about lake dwellings, the history of their construction, and the "finds" made on the sites by arch├Žologists. 11363

VI. FORESTRY. Succession of Forest Growths. A valuable paper on forestry, treating of the evils done by man and a plea for the necessity of intelligent treatment of our woods. 11362

VII. HYGIENE AND MEDICINE. Acetic Acid as a Disinfectant. Use of acetic acid in septic medical cases as a substitute for carbolic acid and bichloride of mercury. 11365

Counter Irritation in Whooping Cough. By G.F. INGLOTT, M.D. Application of irritants to the skin for curing the paroxysms of whooping cough. 11365

On the Health Value to Man of the So called Divinely Beneficent Gift, Tobacco. By J.M.W. KITCHEN, M.D. The evils to man and to the soil. A formidable series of accusations well expressed. 11365

Water as a Therapeutical Agent. By F.C. ROBINSON, M.D. An interesting resume of different applications of water in therapeutics. Suggestions of use for all households... Continue reading book >>

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