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Panama Isthmus Railroad

Railroad to the Pacific

Wheeling Suspension Bridge

Great Tunnell

How to Keep Smoked Hams

How to Preserve Grapes

The Blue Ridge Tunnel

New Cloth Folding Machine

New Light for Railroads

A Whale in Vermont

Prices of Telegraphing in England

Queen Victoria's Piano

American and British Navigation Laws

Another Lost Child Recovered

The Puritans a Prolific Race

Arrival Extraordinary

Great Railroad Tunnel

Tricks of a Flying Machine Man

Hoe's Printing Presses

Important Decision in New Jersey

Light from the Oyster

Manchaneel Poison and Its Antidote

The First Cotton Factory

Earthquake in Massachusetts

New Discovery of Wonderful Ruins in Nicaragua

Engineering Professorship


A Peruvian Inca

A Queer Craft

A Singular Discovery

Planting Chestnuts

Feeding Cattle

Swedish Laws With Respect to Intoxication

A Freak of Nature

Popular Errors About the Rise and Fall of Sap in Trees

Hungarian Enclosed Wooden Bridge

Laws and Customs About Mechanics In Germany

Patents of Nobility

The Mormon City of Salt Lake

Alcoholic Self-Generatiug Vapor Lamp Blow-Pipe, and Heating Apparatus

Apparatus for Saving Lives in Case of Shipwreck

Bed Cooler

House's Telegraph in England

Improvement in Weaving Tapestry Carpets

Improvement in the Iron Manufacture

Converting Iron Into Steel

The Dover and Calais Telegraph

Lock's Magnetic Clock

New Gun

The Great Sugar Discovery

New Propeller

Testimonial to the late Chief Engineer of the U. S. Dry Dock, Brooklyn

Great Fair of the American Institute No.3

Stoves and Heating of Rooms

Coal in New York

Copper of Lake Superior

Labor Lost

New Jersey Zinc


Trial by Jury In Patent Cases.-No. 6


List of Patent Claims

Great Patent Case


To Inventors and Mechanics

Fifth Year of the Best Mechanical Paper

Liquid Hydrogen Gas

Linseed Oil

Hollow Iron Moulding

Choloretic Discovery



  • From the Editor

    To Correspondents

  • Letters

    Depth of the Ocean

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October 27, 1849

20% Sitewide for President's Day