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The Submarine Explorer

Artificial Flowers

New Lubricating Materials

Slating the Track

Patent Cases

Grant's Light for Lighthouses

Flax Cotton

Singular Properties of the Digit 9

No Coal on Lake Superior

Antistatic Printing, &C

American Entomology

Gun Explosion at Gibraltar

A New Metal

Improvement in Rotary Stove Grates

Pipe Moulding

Improved Kettle

Shingle Machine

Old and New Inventions

Volcanoes, their Causes—Igneous Theory

The Effect of Climate on Health—Consumption

Dinner to Inventors in England

A Large and Small Wheel

A New Propeller for Steamers

Vinegar—its Adulteration

Recent Foreign Inventions

Telegraph between Quebec and Detroit

Iron Casks

To Know Good Guano


Manufacturers and Inventors

Gold Half-Dollars

Motion of Water


  • From the Editor

    To Correspondents

  • Recommended

    A Chapter of Suggestions, &C

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