Features
Archimedes and the Lever
Erratum
Mechanism of the Horse's Foot
Artificial Diamonds
Petition for Extension of a Patent--Fire Proof Safes
List of Patent Claims
A Swift Ship
Foreign Summary
History of Air Chambers on Pumps
The Use and Choosing of Spectacles
Adjustable Drop-Motion for Steam Valves
Improvement in Rudders of Vessels
New Pomp Boring Machine
Fogs, Fogs
Cultivated Mechanics
New Commissioner of Patents
Errors of the Press
Exhibition of the Metropolitan Mechanics Society, Washington, D. C.
Competition for Russian Work
Magnetic Communication for Individual Purposes
Report of the Commissioner of Patents for 1856
Rheumatism and Cider
Mechanics
Inventors, and Manufacturers
Separating Burrs From Wool
Improvement in Washing
To Render Textile Fabrics Water-Proof
Finishing Yarns
Pile Ointment
Departments
- Letters
Correspondents