Scientific American Magazine
Volume 37, Issue 6You are currently logged out. Please sign in to download the issue PDF.
Features
Despaquls' Photo-Engraving Process
Cable Fastenings of the East River Bridge
Iron and Steel in Railway Car Construction
The Degradation of Labor
About Sparrows
The Howgate Polar Colony
Selling Patents by Auction
A New Telephone
Improved Donkey Pump
Communications
Astronomical Notes
Browne's Book Cover Protector
Micrometer Caliper
Postage Stamp Canceller
Improved Log Turner
The Brown Bat
Wood Engraving in Japan
Exterminating Moles
Knives
The Watch--Its Invention and History
New Woodworking and House and Carriage Building Inventions
Recent American and Foreign Patents
New Household Inventions
New Miscellaneous Inventions
New Agricultural Inventions
New Mechanical and Engineering Inventions
Communications Received
Departments
Notes and Queries
Business and Personal
Index of Inventions
