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Features

Railroad Fares

Statistics of Strikes in Britain

Railroad Accidents

Hatching Salmon

Curious Effect of Trying a Cannon

Brown's Force Pump

Poisonous Adulterations in Cider

A Tunnel at Albany

Hobb's Locks

Cause of the Burning of the Amazon

Geology of the Lead Mines.--No. 2

A Good Water Wheel

Wreck of the U.S. Steam-Frigate Missouri, at Gibraltar

Academy of Sciences in Paris

Dr. Kane's Lectures

Copyrights and Patents

Woodworth Patent Monopoly

Our Advertisements

Statistics of Coffee

New Method of Preparing Negative Photographic Paper

Brick Machines

Recent Foreign Inventions

Cut-Off Valve

Tubular Tunnel

Letter Printing Press—The Typographer

Finlay's Patent Differential Governor

Rifled Cannon

Improved Ships' Hank

Velocity of Light

Lyman's Boiler Gauge

To Subscribers—Our Half Volume

Parker's Water Wheel

Monuments to Great Men

List of Patent Claims

World Makers

New Edition of the Patent Laws

An Important Paragraph

New Arrangement

Steamship Baltic

Manufacture of Combs

Yankee Enterprise—Transporting Timber from the Mountains

On Boilers—No 15

Saliva

Inventors

Extinguishing of Fires

Cure for Toothache

The Orinoco

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March 06, 1852

Confronting Common Wisdom