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Features

Signals

Superiority of American Wool

To Cure Warts

To Make Crystallized Soda Alum

Massachusetts Coal

The New Bible House

Trade and Commerce of St. Louis

New Rolling Mill

Railroads in the United States

The Steam Fire Engine

Lead Mining in Missouri

Miscellaneous Items

Potato Rot

The Crystal Palace

An Erect Position

Extravagant Profits of Lead Mining

Turbine Water Wheel—Parker's Claims

Improvements in Dyeing

Meteorology

Curious Geological Formations

Electric Globes of Fire in a Saw Mill

Price of Diamonds

Improved Straw Cutter

Improvement in Joining Stones

Percussion Cap Primer

Cards for Hooks and Eyes

Mill Stone Pick

Improved Let-off Motion

Improved Steam Gun

Modellers Clay

Fuel and Mechanical Power

Repairs to the Ericsson—Let the Truth be Told

Pneumatic Telegraph

Withdrawals from the Patent Office

Aerial Navigation by Steam without Balloons

Events of the Week

New Commissioner of Patents

Principles of Patents—Important Decision

French Patents

The Woodworth Patent Suit in North Carolina Terminated

An Extensive Sugar Refinery

Mechanics

White Sheep Skins for Door Mats

Great Fishing

Jewelry

Manufacture of Matches

Departments

  • From the Editor

    To Correspondents

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