Volume 6, Issue 21
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Features
A Fine Black Varnish for Coaches and Iron Work
Railroad Accident
Cumberland Valley Railroad
American Railroad Iron
A Varnish to Imitate the Chinese
Iodine as an Element of Animal and Vegetable Substances
Receipt for Chapped Hands
The Wheeling Bridge Case
Chain Belts
Celestial Phenomena
The Architect of the Patent Office
American Celestial Phenomena
Linen—The New Discovery
Explosions of Steam Boilers—Their Causes and Remedies
An American Steamer on Lake Nicaragua
Another Perpetual Motion
Manufacturing in Nashville
Improvements in Machinery for Making Cotton Batting
New Way to Tin Iron
Anthracite Glass
Improvement in Attaching the Pole to Axle of Wagons and Carriages
New Electro-Chemical Telegraph
Improvement in Endless R. R. Horse Power
Our Ocean Steamships
Railroads of the United States
Rationale of the Composition of Water
List of Patent Claims
The Moisture of Rooms
Mechanical Principles
Standing Notice to Subscribers
Durability of Vellum
Bituminous Shale
The Lead Mines of Iowa
Crystalization
Stereoscopes
Mechanics
Inventors and Manufacturers