Features
Cuba Once a Part of the American Continent
The Pacific Railroad
Railroads to the Gulf of Mexico
Locomotives and Brooklyn Authorities
Improved Machinery for Dressing Mill
Singular Case
New Propeller
Horse Power Ditching Machine
Something for Farmers—Exporting Peaches
Great India Rubber Patent Case
Commissioner to Examine into the Factories
Improvement in the Manufacture of Gongs
Foreign Correspondence
Night Lamp for Ships
Improved Melodeons
Florida Salt
California
Trade between the United States and Canada
The Allegheny River
Locomotives for the South
Discovery Relating to Bees
Improvement in Attaching Hubs to Axles
Destruction of Vines in Europe
American Clipper Ships
Cast Iron Fronts of Houses
A Moving Mountain
The American Arctic Expedition
Adumbration of the Creator's Transcendent Wisdom in the Adaptation of Things
Improvement in Apparatus for Boring for Water
Improvement in Pumps
New Wire and Picket Fence
Improvement in Musical Instruments, Combined Pianoforte and Flute
Improved Heating Stove
New Water Wheel Buckets
Patent Office Report for 1850--No. 4
Mechanical Fairs
Propeller Steamships
South Carolina Institute
Astronomical Observatory in Albany
List of Patent Claims
Machine for Making Ladies' Combs
Aerial Voyage
Spirit Varnishes
Patent Claims
New Edition of the Patent Laws
On Sending Receipts
Binding Volume 6
Postage on Books
Back Numbers and Volumes
The Great Mechanics' Hall, at Baltimore
To Mechanics
Departments
- From the Editor
To Correspondents
