Features
Steam Engine Regulator
Prevention of Accidents on Railroads
Foreign Correspondence
The Patent Office in Danger—To American Inventors
Varieties in Science
Galvanizing Iron—Protecting Steel from Oxidation—Sorel's Patent
Iron Stone—Terra cotta
Improvement in the Coiling Roving Machine
Great Improvement in the Construction of Chains
Pencil Case Improvement
Improvement in Endless Chains for Horse-Powers
Improvement in Cast-Iron Car Wheels
Complimentary to the Scientific American
The Great Exhibition of Industry
Great Patent Case—McCormick's Reaper
Telegraph Case
Patent Case
Steam Governor Valves
Medical
Electro-Magnetism as a Motive Power
List of Patent Claims
American Clippers—Cotton Sails
A New Cotton Plant
Oil from Popies
Postage on Books
Back Numbers and Volumes
On Sending Receipts
An Important Paragraph
Horse-Shoeing--Interfering Horses
Steven's Siding and Flooring Machine
To Mechanics, Inventors, and Manufactures
Seventh Volume of the Scientific American
Improved Candles
Departments
- From the Editor
To Correspondents
