Volume 14, Issue 17
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Features
Indelible Ink
Production of Gold and Silver
Kangaroo on a Tread Mill
The Manufacture of Cold-Drawn Steel Tubes
Unmalted and Malted Barley as Food for Stock
Improved Forge Hammer
The Lenoir-Gas Engine
Polytechnic Association of the American Institute
The Cascade of Light
To Recover Gold from Solutions
Shaving with a Wooden Razor
Tyler's Safety Switch
An Experiment with Clean Iron
Air in Wine Tuns
New Things in France
A Perpetual Motion Humbug
English Ironclads
Composition of Alloys
The Funnel of the “Bellerophon.”
Progress of Scientific Education
Curtis's carriage Wheel
The Cholera
Rainey's Nursery Chair
Special Notices
A Paying Investment
Supplemental Sheet
Exhibition of a New Electro-Magnetic Motor
Explosion of a Petroleum Lamp
The Midland Steam Boiler Insurance Co
Notes on New Discoveries and New Applications of Science
A New Soda Process
Cast Steel-Magnesian Crucibles
New Publications
Patent-Office Decisions
Paper From Wood
Patent Claims
Issued from the U. S. Patent Office
An English Capitalist on Lock-Outs
Improvements in Gas Engines
To Our Readers
New Rates of Advertising
Improved Motion for Sewing Machines
Mechanics
Inventors, Manufacturers