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Features

Buried Alive

The Floating Battery

The Philadelphia Mint—Refining Gold—Its Troubles and Trials

Dust from Stoves

Patent Case

Survey of California

Chemistry of Life and Alcohol

Mother of Pearl

Gas Purifier

Improved Boilers and Heater

Improved Clamp

New Corn Planter

Improved Stuffing Box

New Smoothing Iron

Breech-Loading Fire-Arms

Steam Plow and Seed Planter

Tin Cutting Machine

Events of the Week

Changes in the Value of Gold—Wages for Labor

Silvering Glass

American Rifles

South American Rivers

The World's Fair in London

Recent Foreign Inventions

A Moving Bog

The London Exhibition

Colliery Explosions

Mineral Wealth of California

Moles

Shirt Collars by the Bushel

Banding Pulleys for Saws, &C

Devotion to Science

Specimen from the Iron Mountain, Mo

Mechanics

Departments

  • From the Editor

    To Correspondents

  • Recommended

    A Chapter or Suggestions, &c

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April 25, 1853

Beyond XX and XY

Biology. Identity. Equality.