Scientific American Magazine
Volume 14, Issue 4You are currently logged out. Please sign in to download the issue PDF.
Features
Improved System of Rolling Car Wheels, Manufacturing and Tempering Sword Blades in India
Prosperity of Our Manufactures
Champagne and its Production
Plans for Cooling and Ventilating Buildings by Morin and Regnault
Two Kinds of Electricity
The Foot Lathe
Barnum's Button
Polytechnic Association of the American Institute
Miscellaneous Summary
Rogers's Belt Stretcher
Patent-Office Decisions
Effect of Sanitary Regulations
Recent American Patents
Administration of the Patent Office
An English Tank Engine
Hare's Oil Cup
A Large Steam Cylinder
Our Position on the Expansion Question
Concerning Belts
Death of Professor Mapes
Patent Claims
Best Mode of Introducing Inventions
Patent Agency Office
Rendering Cloth Uninflammable
Special Notices
Departments
Correspondence
Notes and Queries