Scientific American Magazine

Locomotives and Brooklyn Authorities

The Pacific Railroad

Cuba Once a Part of the American Continent

Improved Machinery for Dressing Mill

Locomotive Race at Lowell

Railroads to the Gulf of Mexico

New Propeller

Great India Rubber Patent Case

Something for Farmers—Exporting Peaches

Horse Power Ditching Machine

Commissioner to Examine into the Factories

Singular Case

Destruction of Vines in Europe

Improvement in Attaching Hubs to Axles

Discovery Relating to Bees

Locomotives for the South

The Allegheny River

Trade between the United States and Canada

California

Florida Salt

Improved Melodeons

Night Lamp for Ships

Foreign Correspondence

Improvement in the Manufacture of Gongs

A Moving Mountain

American Clipper Ships

Cast Iron Fronts of Houses

The American Arctic Expedition

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

Improvement in Pumps

New Water Wheel Buckets

Improved Heating Stove

Improvement in Musical Instruments, Combined Pianoforte and Flute

Improvement in Apparatus for Boring for Water

New Wire and Picket Fence

Propeller Steamships

Patent Office Report for 1850--No. 4

Mechanical Fairs

South Carolina Institute

Spirit Varnishes

Aerial Voyage

Astronomical Observatory in Albany

Machine for Making Ladies' Combs

List of Patent Claims

Back Numbers and Volumes

On Sending Receipts

New Edition of the Patent Laws

Postage on Books

Patent Claims

Binding Volume 6

The Great Mechanics' Hall, at Baltimore

To Mechanics

To Correspondents