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Improvement in Submarine Foundations

Scoundrelism on Railroads

Manufacture of Steel in India

Premiums for Agricultural Societies

Perpetual Motion Again

Hot and Cool

Lemon Juice for Acute Rheumatism

The Flying Ship

The Steamboat Inspectors

Ventilation of Railroad Cars

Great Artificial Harbor

Weevil in Wheat

Population of the United States

Sensation of Heat


Recent Foreign Inventions

The Cranberry


To Millwrights

Great Iron Steamer

Poison of Fusil Oil--Chloroform

Long's New Bridge

Rings for Spinning Frames

Improved Wagon Brake

Life Buoy for Steamboat Accidents

Improved Carriage Wheels

Hind the Astronomer

Competitors for the Prizes

Turner's Railroad Coupling

For Daguerreotypists

Connecticut Freestone Quarries

Hat Bodies

Improved Grain Separator

Improvement in Looms

Information Wanted

A Claimant for the American Reaper


Patent Law of the United States Applied to Englishmen

Our New Volume

Safety of Railroads versus Steamboats

Scientific and Mechanical Institutes

Spontaneous Combustion

The New Safety Steamboat Law

List of Patent Claims

Amendment to the Patent Laws

A Railroad in Broadway


Patent Laws, and Guide to Inventors

To Correspondents

Back Numbers and Volumes

Patent Claims


New Chain Machine

Carbonic Acid


Red River

Rare Curiosities

Blasting Rooks Under Water


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    September 18, 1852