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Arrowroot in Florida

Allegheny Valley Railroad

Self-Stripping Carding Machine

Chemical Analysis of Poisons

American Ship-Building

Circular Saws

The Steamship Great Britain

The Gold of California

Pickling Meat

Recent Foreign Inventions

Improved Blacksmiths' Tuyeres

Curious Effects of Excitement

My head is gray but not with years.

Remarks on Inks

Great Discovery of Lead Ore

Electro-Magnetism as a Motive Power

Improved Hot-Air Register

Improvement in Railroad Cars

To Prevent Accidents on Railroads

Whitelaw & Stirrait's Water Wheel—The Overshot at a Discount

The Proposed Exhibition at New York

Verdict of the Jury in the Greenwich Avenue Calamity

The Woodworth Patent—Its Extension

Insecurity of Buildings

Improved Stove

Gutta Percha Pens

Great Rat Trap

Gas Light in Factories


Amorphous Phosphorus

American Astronomers in Europe

Pneumatic Pile Driver

List of Patient Claims

Castor Oil for Light

Back Numbers and Volumes

Sending Receipts—Postage on Books

An Important Paragraph

A Curiosity

Gold Solder

What May be Done with Old Rags

On Boilers--No. 3

Screw Propeller for the Navy

Submarine Telegraph

Structure on Piles

To Mechanics, Manufacturers and Inventors

Gold from Australia


  • From the Editor

    To Correspondents

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December 06, 1851