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Features

Improved Slitting Gauge

American Steamships

Improvement in Car Wheels

Sewing Machine Decision

A New Bed of Gypsum

Solar Light

Flax Industry—No. 8

List of Patent Claims

Honest Labor

Improved Rotary Engine

Improved Steam Boiler

Fire-Proof Building Stone

Models of New Inventions

A New Disinfectant

Patent Case

Causes of Marine Disasters

The Remington Bridge

Crystal Palace Notes

The Scientific Stair Builder

Crystaline Gold

Silver in Alabama

New Wheat

Gas on Books

The New Steam Frigates

Yellow Fever

Pimples and Razors

Mechanics

Manufacturers and Inventors

The Sugar Pine of Oregon

Window Sash Fasteners and Stoppers

High Heeled Boots and Shoes

Loss of Life in English Coal Mines

Scientific Memoranda—Foreign

Departments

  • From the Editor

    To Correspondents

  • Recommended

    A Chapter of Suggestions &C

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June 10, 1854

Beyond XX and XY

Biology. Identity. Equality.