Scientific American Magazine
Volume 66, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
Road Improvement
Position of the Planets in March
An Improved Wood Bending Machine
An Improved Dental Plugger
A Silk Spinning Spindle Support
New Electrical Governor
Indoor Curling
How to Take Silver Stains Out of a Gelatine Negative
Magnitude of Molecules and Light Waves
The Transportation of Petroleum
Professor Joseph Lovering
A Bamboo Bridge in Sikkim, India
Departments
Correspondence- February 27, 1892
Recently Patented Inventions- February 27, 1892
New Books and Publications- February 27, 1892
Notes and Queries- February 27, 1892
Index of Inventions- February 27, 1892
Business and Personal- February 27, 1892
To Inventors- February 27, 1892
