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Scientific American Supplement, No. 832, December 12, 1891   By:

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NEW YORK, December 12, 1891.

Scientific American Supplement. Vol. XXXII, No. 832.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.


I. ARCHÆOLOGY. Archæological Discoveries at Cadiz. The discovery of Phenician relics in Spain, with the possibility of future important research in that region. 2 illustrations

Prehistoric Horse in America. Curious discovery of an aboriginal drawing in Nicaragua. 1 illustration

II. ASTRONOMY. A Plea for the Common Telescope. By G.E. LUMSDEN. The increasing interest in astronomy and instances of work done by telescopes of moderate power, giving examples from the work of celebrated observers

III. BIOGRAPHY. Alfred Tennyson. Biographical note of the great poet, now past his 80th year, with portrait. 1 illustration

Fiftieth Year of the Prince of Wales. The Prince of Wales and his family, with notes of his life and habits. 1 illustration

IV. CHEMISTRY. American Association Ninth Annual Report of the Committee on Indexing Chemical Literature. A very important report upon the titular subject, with probabilities of future advance in this line. The chemical index of the SCIENTIFIC AMERICAN and SUPPLEMENT

Apparatus for the Estimation of Fat in Milk. By E. MOLINARI. Details of a method of determining fat in milk, with illustration of the apparatus employed

Further Researches upon the Element Fluorine. By A.E. TUTTON. Additional researches upon this element, following up the work outlined by M. MOISSAN. 3 illustrations

The Allotropic Conditions of Silver. A recent letter from M. CAREY LEA on this subject, with note of its presentation before the French Academy by M. BERTHELOT

The French Wine Law. Recent enactment as to the adulterations of wine

V. CIVIL ENGINEERING. Modern Methods of Quarrying. A recent paper of great value to all interested in exploiting quarries. The most recent methods described, tending now to replace the cruder processes. 12 illustrations

The Trotter Curve Ranger. A surveying instrument for laying off railroad curves, with full details of its theory, construction, and use in the field. 4 illustrations

VI. METALLURGY. The Great Bell of the Basilica of the Sacred Heart of Montmartre. The founding of the great bell "La Savoyarde" at the Paccard foundry in France. Description of the bell, its inscriptions, and decorations. 3 illustrations

VII. MISCELLANEOUS. Duck Hunting in Scotland. A curious method of approaching ducks under the guise of a donkey. 3 illustrations

VIII. NAVAL ENGINEERING. Hints to Shipmasters. A very practical view of the proper personal habits of the commander of a merchant ship

The British Cruiser Æolus. Details of dimensions and armament of this recently launched British ship

Trials of H.M. Cruiser Blake. Trial trip of this celebrated cruiser. Her horse power as developed, with the somewhat disappointing results obtained as regards speed. 1 illustration

IX. PHOTOGRAPHY. Development with Sucrate of Lime. Development formulas, involving the use of sugar solution saturated with lime. Accelerating influences of certain chemicals

X. RAILROAD ENGINEERING. The Rail Spike and the Locomotive. A most interesting article on an old time railroad. Curious incidents in the construction of the Camden & Amboy Railroad, by the celebrated Robert L. Stevens. A most graphic account of early difficulties

XI. TECHNOLOGY American Workshops... Continue reading book >>

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