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Features

Oregon Coal

The Line of Perpetual Frost

Importation of Telegraph Cables

Safety and Comforts of Railroad Traveling

Experiments with Cast Iron

List of Patent Claims

Kiln Drying by Dry Steam

Agricultural Premiums

The Locomotive Engine.--Coal and Feed Water

The Sun.--No. 3

Patent Extensions

McCormick's Patent Extension Again Rejected

Another New Patent Bill

Improved Governor

On the Right Track

The Engineer

Important to Patentees, Inventors, and Manufacturers.--Great National Exhibition of Inventions, Machinery, and Productions

Recent American Patents

Ocean Telegraphs and Surveys

The Well Bored by Lightning

Notes on Patented Inventions.--No. 14

Recent Foreign Inventions

Telegraphic Communications

The Teredo, or Ship Worm

Important Items

Term of Advertising

Important to Inventors

To Correspondents

A Nautical Novelty

Why Photographs Taken in Britain are Inferior to American Pictures

Cloth Folding Machine

Inventors, and Manufacturers

Departments

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    Why Do Facts Fail?

    Why Do Facts Fail?

    Deconstructing Denial