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Features

A New Railroad in Indiana

Massachusetts Railroads

Improved Gold Washer

The True Aristocrats

Southern Railroad Convention

Curiosities of Boiling Water

Chloroform--Kreosote--Cholera

The Poor Man's Doings

Philadelphia and Princeton Railroad

Remarkable Clock

Asking the Leave to Gape

Maple Suger at the West

Manchester, New Hampshire

Gooseberries

Decease of a Man of Science

Fulton's Steamboat

Delaware and Hudson Canal Company

The Iron Business

Church in San Francisco

A Year's Immigration

New Foundland

Our Prize Essay Again

Oil of Rhodium For Rats

New York City Elections

Washington Monument--A Promising Boy

Pocket Tape Measure

The Free School Act

A Hundred and Odd Years Ago

Patent Railway Axles--Interesting Case in Extending a Patent

Indian Method of Twisting Gun Barrels

Thrift of the Yankee

Splendid Achromatic Lenses

New Fire Annihilator

Ingenuity in the Manufacture of Iron

Hovey's Straw Cutter

Improved Tilting Wagon

Improved Portable Air Heating Stove

New Fire Escape

The Electric Light

Telegraph

Steamboat Explosions

More Coal on the Pacific Ocean

Dr. Locke's Electro Chronograph and Mr. Bond's Magnetic Clock

Balloon Navigation

Advantages of the West for Manufacturing

Back Volumes of the Scientific American

Our London Patrons

California Houses

City Fountains

Planing Machines

Recovery of the Jewels Stolen from the Patent Office

A Great Man in His Line

List of Patents

Hydrophobia

Dreams

Capacity of the West

On the Freezing of Alcohol

Poisonous Acids--Hydrocyanic Acid

To Paste Lithographs on Muslin

The Best Mechanical Paper in the World!

Fourth Year of the Scientific American!

To Restore Scorched Linen

To Restore Stained Linen

Useful Problems

Uses of the Black Currant

History of the Rotary Engine

To Whiten Linen

Departments

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  • To Correspondents

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April 14, 1849

Think Outside the Gift Box