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The Floating Battery

Dust from Stoves

Buried Alive

Patent Case

The Philadelphia Mint—Refining Gold—Its Troubles and Trials

Mother of Pearl

Survey of California

Chemistry of Life and Alcohol

Improved Stuffing Box

Gas Purifier

New Smoothing Iron

New Corn Planter

Breech-Loading Fire-Arms

Tin Cutting Machine

Improved Boilers and Heater

Improved Clamp

Steam Plow and Seed Planter

The World's Fair in London

Changes in the Value of Gold—Wages for Labor

South American Rivers

Events of the Week

American Rifles

Silvering Glass

The London Exhibition

Colliery Explosions

A Moving Bog

Recent Foreign Inventions

Banding Pulleys for Saws, &C



Mineral Wealth of California

Devotion to Science

Shirt Collars by the Bushel

Specimen from the Iron Mountain, Mo


  • From the Editor

    To Correspondents

  • Recommended

    A Chapter or Suggestions, &c

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