Scientific American Magazine
Volume 63, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
Electrically-Fired Gatling Gun
Zapon a Substitute for Lacquer
How to Estimate our Work on War Vessels
Dr Koch's Cure for Consumption
A Machine for Threading and Cutting Off Pipes Etc.
Lake Steamers Built by a Cleveland Firm
A Folding Table for Paper Hangers
Several Useful Tools in One
An Improved Head-Light for Locomotives
Improved Croze
A Simple form of Game
Notes on Quarrying
Auxiliary Rifle Barrel for Guns
The United States Collection of Standard Weights and Measures
An Interesting Experiment
Departments
Correspondence- November 15, 1890
New Books and Publications- November 15, 1890
Recently Patented Inventions- November 15, 1890
To Inventors- November 15, 1890
Notes & Queries- November 15, 1890
Index of Inventions- November 15, 1890
Business and Personal - November 15, 1890
