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Locomotive Race at Lowell

Improved Machinery for Dressing Mill

Locomotives and Brooklyn Authorities

Railroads to the Gulf of Mexico

Cuba Once a Part of the American Continent

The Pacific Railroad

Improvement in the Manufacture of Gongs

Locomotives for the South

New Propeller


Florida Salt

Destruction of Vines in Europe

Foreign Correspondence

Night Lamp for Ships

Something for Farmers—Exporting Peaches

The Allegheny River

Great India Rubber Patent Case

Improved Melodeons

Horse Power Ditching Machine

Singular Case

Discovery Relating to Bees

Commissioner to Examine into the Factories

Trade between the United States and Canada

Improvement in Attaching Hubs to Axles

American Clipper Ships

The American Arctic Expedition

Adumbration of the Creator's Transcendent Wisdom in the Adaptation of Things

A Moving Mountain

Cast Iron Fronts of Houses

Improvement in Musical Instruments, Combined Pianoforte and Flute

Improvement in Pumps

New Water Wheel Buckets

New Wire and Picket Fence

Improved Heating Stove

Improvement in Apparatus for Boring for Water

South Carolina Institute

Mechanical Fairs

Propeller Steamships

Patent Office Report for 1850--No. 4

Machine for Making Ladies' Combs

List of Patent Claims

Spirit Varnishes

Aerial Voyage

Astronomical Observatory in Albany

Postage on Books

Patent Claims

Back Numbers and Volumes

Binding Volume 6

On Sending Receipts

New Edition of the Patent Laws

To Mechanics

The Great Mechanics' Hall, at Baltimore


  • From the Editor

    To Correspondents

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October 11, 1851

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