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Features

Will the Atlantic Telegraph Cable operate?

Gravitation and Velocity

Ancient Silver Mine

Science in Canada

American Lap-Welded Iron Tubes

What is Chemistry?

Recent Patented Improvements

Operation on an Elephant

Glucose and Sirup

Independent Engines and Pumps in Locomotives

Screw-mouthed Bottles

Silver and its Uses

New Inventions

New Gas Works

Death of Commodore Perry

Mode of Connecting Telegraph Cables

Explosion of an Air Chest

Dr. Livingstone's New African Expedition

Gas Meters

Business Prospects

Heating Buildings and Ventilation

Death of an Editor

Anilic Acid

Momentum

Puddling and Boiling Iron

Proposed Changes in Patent Laws

Stalactites

Challenge to Inventors of Breech-Loading Guns

The Coming Eclipse

Circular Saw Mills—Patent Decision

The Cold Deep Sea

Glaciers

Improved Corn Planter

Wright's Apparatus for Feeding Furnaces

Mechanics

Inventors, Manufacturers, and Farmers

Science in Sport

Departments

  • Letters

    Correspondents - March 13, 1858

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