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Features

Antediluvian Remains

California Coal

Holcomb's Submarine Carriage Way

List of Patent Claims

Iron Ship Knees

Halifax Harbor

Syrups

Notes on Science and Foreign Inventions

Silk

Self-Weighing Carts

Alloy Resembling Gold

Grain Separator and Scourer

Grand National Trial of Harvesting Machines

Steam Cultivation

Maryland Reaper Trial

American Crucibles and Composition Molds

The Triumphs of Engineering

The Divining Rod--A Theory

Hollow Walls Again

Divining Rods and Lightning Rods

Setting Artificial Teeth

The Hoosic Tunnel

Correspondents

Important Items

Another Search for Sir John Franklin

Patent Tea Kettle

The Vanderbilt

Lighting Gas by Galvanism

Railroad Celebration

A Great Dam

Rotary Knife Cleaner

A Wonderful Iron

The Frigate Niagara

Mechanics

Improved Clothes Ironer

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    June 06, 1857

    Complex Causes. Alternative Solutions.