Scientific American Magazine
Volume 61, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
The Site for the International Exposition of 1892
Great War Ships
Position of the Planets for September
Spider Web to Cocoon Making
An Improved Machine for Bending and Coiling Pipe
A System of Protection from Lightning
An Improved Siphon
An Apparatus for Recording Respirations
Astigmatic Eyepiece for Optical Instruments
An Improved Method of Propelling Sleds
An Improved Reversible Safety Stirrup
The Maccoy Pneumatic Tool
A Powerful Battery
Thomas Corwin Mendenhall
The Paris Exhibition
Departments
Correspondence- August 31, 1889
Notes and Queries- August 31, 1889
Recently Patented Inventions- August 31, 1889
Business and Personal- August 31, 1889
To Inventors- August 31, 1889
Index of Inventions- August 31, 1889
