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Boone's Rope Machine

Archimedes and the Lever


Mechanism of the Horse's Foot

Artificial Diamonds

List of Patent Claims

Petition for Extension of a Patent--Fire Proof Safes

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

Errors of the Press

New Commissioner of Patents

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


Inventors, and Manufacturers

Separating Burrs From Wool

Improvement in Washing

Finishing Yarns

To Render Textile Fabrics Water-Proof

Pile Ointment


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