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Artificial Flowers

The Submarine Explorer

New Lubricating Materials

Grant's Light for Lighthouses

Slating the Track

Patent Cases

Flax Cotton

No Coal on Lake Superior

Singular Properties of the Digit 9

American Entomology

Antistatic Printing, &C

Gun Explosion at Gibraltar

A New Metal

Improvement in Rotary Stove Grates

Improved Kettle

Pipe Moulding

Shingle Machine

Old and New Inventions

A Large and Small Wheel

The Effect of Climate on Health—Consumption

Volcanoes, their Causes—Igneous Theory

Dinner to Inventors in England

Telegraph between Quebec and Detroit

Vinegar—its Adulteration

A New Propeller for Steamers

Recent Foreign Inventions

To Know Good Guano

Iron Casks


Manufacturers and Inventors

Motion of Water

Gold Half-Dollars


  • From the Editor

    To Correspondents

  • Recommended

    A Chapter of Suggestions, &C

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