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Vegetable Extracts and Quack Medicines

New York and Erie Railroad

New York and New Haven Railroad


Examination of Railroads

Frasier's Improved Excavator

Revolving Fire-Arms—Claims of Another Inventor

Mineral Wealth of Greenland

Steam to Ireland

Coal Mines of England and America

The Fulton Steamship

Origin of the Turf Bogs in Ireland

Passages of the Atlantic Steamers from Liverpool

Railroads and their Management

Steam Carriages for Common Roads

Frauds in the Weight of Coal

Interesting Hebrew Relic

Qualities of Timber—The Proper Time for Cutting it

Recent Foreign Inventions

Alta California

Hospital on Ward's Island


Improvement in Grain Drills

Improvement in Casting Iron Wheels

New Paddle-Wheel

Circular Saws

Patent Hurdle Fence

Tubular Metal Tunnel

Patent Railroad Brake

American Philosophy—Maury's Sailing Directions

India-Rubber Power Accumulators

Minot's Ledge Lighthouse

The Aztec Children

The Gas Contract Vetoed

Dr. Colton and the Fire Annihilator


Repeal of a Patent in England

Extinguishing Fire—Air-Slacked Lime

Influence of America and Webster's Dictionary in India

Melting of Metals

January Thaws

Medicinal Cigars

An Interesting Patent Case—An Example to Judge Kane

Bolt Heading Machine Patent

Consumption of Tobacco and Tea in Britain

The Bain Telegraph

Width of the Ohio River

Philadelphia Museum

For One Dollar

An Important Paragraph

Back Numbers and Volumes

New Edition of the Patent Laws

Patent Claims

Salmon Fishing

Restoring to Life

On Boilers--No.7

Nutmegs Indigenous to California

New Photographic Process

The Scientific American to its Friends and the Public

Black Noses

Knowledge Contained in the Scientific American


  • From the Editor

    To Correspondents

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January 10, 1852