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Scientific American Supplement, No. 822, October 3, 1891电子书

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作       者:Various

出版时间:2018-02-27

字       数:21.0万

所属分类: 教育 > 外语 > 实用英语

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The offensive power of the ship consists of seven breechloading rifled guns of 27 centimeters (10.63 in.), and weighing 24 tons each, six breechloading rifled guns of 14 centimeters (5.51 in.), and quick-firing and machine guns of the Hotchkiss systems. There are in addition four torpedo discharge tubes, two on each side of the ship. The positions of the guns are as follows: Four of 27 centimeters in the central battery, two on each broadside; three 27 centimeter guns on the upper deck in barbettes, one on each side amidships, and one aft. The 14 centimeter guns are in various positions on the broadsides, and the machine guns are fitted on deck, on the bridges, and in the military tops, four of them also being mounted on what is rather a novelty in naval construction, a gallery running round the outside of the funnel, which was fitted when the ship was under repairs some months ago.
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THE REDOUTABLE.

ARMOR PLATING ON BATTLESHIPS: FRANCE AND GREAT BRITAIN.

DEMOLITION OF ROCKS UNDER WATER WITHOUT EXPLOSIVES-LOBNITZ SYSTEM.1

PROGRESS IN ENGINEERING.

COAL MINES.

STEAM TRAMS AND ELECTRIC TRAMS.

IMPROVED CHANGEABLE SPEED GEARING.

ELECTRICAL STANDARDS.

Resolutions.

Specification referred to in Resolution 10.

THE TWO OR THREE PHASE ALTERNATING CURRENT SYSTEMS.

THE LONDON PARIS TELEPHONE.1

THE MANUFACTURE OF PHOSPHORUS BY ELECTRICITY.

NEW BLEACHING APPARATUS.

THE USE OF COMPRESSED AIR IN CONJUNCTION WITH MEDICINAL SOLUTIONS IN THE TREATMENT OF NERVOUS AND MENTAL AFFECTIONS.

BEING A NEW SYSTEM OF CEREBRO-SPINAL THERAPEUTICS.

EYESIGHT: ITS CARE DURING INFANCY AND YOUTH.1

THE WATER MOLECULE.1

THE FORMATION OF STARCH IN LEAVES.

STANDARDS AND METHODS FOR THE POLARIMETRIC ESTIMATION OF SUGARS.1

I.—INSTRUMENTS AND APPARATUS.

II.—SKILLED OBSERVERS.

III.—ARRANGEMENT OF LABORATORIES.

IV.—METHODS OF MANIPULATION.

DIRECTIONS FOR THE POLARIZATION OF SUGAR.

PREPARATION OF THE SUGAR SOLUTION FOR POLARIZATION.

SUMMARIZED SOURCES OF ERROR.

THE GRAND FALLS OF LABRADOR.

ANTS.

A GEM-BEARING GRANITE VEIN IN WESTERN CONNECTICUT.

THE STUDY OF MANKIND.

CLASSIFICATION.

DIFFERENCES IN SKULLS.

CONNECTION OF LANGUAGE AND PHYSICAL CONFORMATION.

TRAVELERS' IMPRESSIONS.

A New Catalogue of Valuable Papers

THE SCIENTIFIC AMERICAN

Architects and Builders Edition.

Building Plans and Specifications.

THE Scientific American Supplement.

PUBLISHED WEEKLY.

Useful Engineering Books

PATENTS!

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