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Features

Scale in Steam Boilers

Improved Excavator

Journal of Patent Law

Infringement--Patent for Coloring Yarn--Old and New Method of PartI-Coloring

Our Patent Laws -- Their Wonderful Influence

A Wonderful Case in Surgery

American Naval Architecture

Can Spent Tan Bark Be Dried?

Making Magnets in Casting

Which was the First Steamer That Crossed the Atlantic?

Improved Water Wheel

Improved Combination Auger

Cutting Piles Under WaterAn Ingenious Apparatus

The Sewing Machine--No. III

Utility of Lightning Rods

The Cyanuret of Potassium Once More

Sharpening Saws

A Column of Varieties

Steam Fire-Engine Trial

Talk with the Boys

Improved Steam Trap

Colored Liquids

A New Electric Light

Improved Grooving Saw

A Wonderful Billiard Player--Mons. Berger, the French Champion in America

Decomposition of SteamAn Obstinate Critic

The Truth of Spiritualism Demonstrated

Physical Training in Common Schools

A Censor at the Patent Office

Our Special Correspondence

The United States Agricultural Society's Fair

A Great Piece of Wrought Iron

Recent American Inventions

Patent Claims

Issued from the United States Patent Office for the Week Ending October 2, 1860

New Books and Periodicals Received - October 13, 1860

Important to Inventors

Money Received

Daykin's Improved Water Drawer

The Prince of Wales at the Patent Office

Tungsten Steel

Mechanics

Inventors, Machinists, Millwrights, and Manufacturers

Departments

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    Notes and Queries - October 13, 1860

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October 13, 1860

Confronting Common Wisdom