Scientific American Magazine
Volume 49, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Excavating and Dredging Apparatus
“Labor and Education”
Aspects of the Planets for October
Automatic Safety Appliances
The Western Union Underground Systems
Improved Plow
Improved Sash Balance
Improved Safety Valve
New Spanish War Steamers
Improved Fire Escape
Improved Filter
Improvement in Dust-Pans
Sad-Iron Holder
Pyrethrum, or Chrysanthemum Corymbosum
Miscellaneous Inventions
Mechanical Inventions
Engineering Inventions
Agricultural Inventions
Departments
Correspondence
Recent Inventions
New Books and Publications
Business and Personal
Index of Inventions
Notes and Queries
