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Scientific American — No. 24, December 14, 1878电子书

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作       者:Various

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出版时间:2018-02-27

字       数:22.1万

所属分类: 教育 > 外语 > 实用英语

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The ship canal from Ghent to Terneuzen was originally laid out with many bends, rendering navigation difficult; it had a depth of 14 feet 4 inches and a width of 98 feet 6 inches at the water level. The works which are at present in course of execution have especially for their object the deepening of the canal to 21 feet 3 inches, with a width of 55 feet 9 inches at the bottom and 103 feet 9 inches on the water line. The slopes have a uniform inclination of 1 to 3, and the towing paths on each side are placed 6 feet 6 inches above the water level, and are 32 feet 8 inches wide. In many instances also the course of the canal has been altered and straightened for the improvement of navigation; several important diversions have been made for this purpose.
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THE BELGIAN SHIP CANAL.

Preservation of Iron and Steel from Oxidation.

Warning to Locomotive Engineers.

MUNN & CO., Editors and Proprietors.

The Scientific American Supplement

Scientific American Export Edition.

No. 154,

CASSON'S SAW BENCH.

A Bait for Inventors.

A Silver Mill in the Clouds.

Poultices.

New Mechanical Inventions.

Effect of Quinine on the Hearing.

The Microphone as a Thief Catcher.

The Tallest Tree in the World.

THE ARGONAUT, OR PAPER NAUTILUS.

ASTRONOMICAL NOTES.

TO INVENTORS.

October 15, 1878,

TRADE MARKS.

DESIGNS.

EXPORT EDITION.

THE SCIENTIFIC AMERICAN EXPORT EDITION FOR NOVEMBER, 1878, WITH ONE HUNDRED ILLUSTRATIONS.

Spain, Cuba, Porto Rico, etc.

Armington & Sims

Gauge and Tool Works.

Rutland, Vt.

GOLD MEDAL

GIVES GREATEST USEFUL EFFECT OF WATER.

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