Volume 6, Issue 49
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Features
The Great Railway in Egypt
Railways in Italy
Purifying Oils
To Make Various Kinds of Inks in the best Manner
New York and Boston Railroad
Special Correspondence of the Scientific American
Bridging the Nile
A Metallic Rudder
The Cotton Crop
Lard Oil
A Monster Engine
Opposition to Robjohn's Balloon
Imposing Stones
Railroad in Spain
Coal in Dutchess Co., NY
Linen from Unrotted Flax—Errors Corrected
Improved Lock
Improved Door Spring
Improvement in Filters
Machine for Gathering Clover Seed
Machine for Cutting Veneers
Horse-Power Ditching Machine
Steamboat Question
Short Conversations on Mechanics—No. 3
Important Patent Cases—Planing Machines
What Inventors are Doing for the World
Worcester Mechanics' Fair
Steam Superseded
Petition for the Extension of a Patent
Steam Communication between New York and Genoa
Scientific Memoranda
French and English Black Broadcloth
List of Patent Claims
American and Foreign Patent Agency
New Edition of the Patent Laws
Back Numbers and Volumes
Self-Acting Lock for Blinds and Window Shutters
Quick Work
New Calculating Machine
New Prospectus to Mechanics
Inventors and Manufacturers