Scientific American Magazine
Volume 50, Issue 15You are currently logged out. Please sign in to download the issue PDF.
Features
Increasing the Bridge facilities
Patents in Congress
New Scientific American Offices
Uneven Shrinking
Malarial Fevers
Improved Valve Oiler
Corn Planter
Removable Bottle Trap
Improved Fence Post
Panclastite
Improved Warping Machine
Central France under the Clouds
Window Bead Fastener
Ripping attachment for Scissors
An Improved Crutch
Engineering Inventions - April 12, 1884
Mechanical Inventions - April 12, 1884
Agricultural Inventions - April 12, 1884
Special - April 12, 1884
Miscellaneous Inventions - April 12, 1884
Departments
Correspondence - April 12, 1884
Notes and Queries - April 12, 1884
New Books and Publications - April 12, 1884
Business and Personal - April 12, 1884
Index of Inventions - April 12, 1884
