Scientific American Magazine
Volume 51, Issue 4You are currently logged out. Please sign in to download the issue PDF.
Features
Casting a Huge Cannon
Congress and the Patent Office
Driving by Friction
The Greely Expedition
Labels and Trademarks
Variations of Speed
Improved Oil Cup
Compound and Self-Acting Plug Valve for Wash Basins
Horse Power
Metallurgic Furnace
Improved Elevator
Bending Machine
Well Bucket
Screw Tap
Conical Press for Treating Beet Pulp
A Practical Method of Estimating Distances
Automatic Wave Lubricating Life Buoy
Mechanical Inventions - July 26, 1884
Miscellaneous Inventions - July 26, 1884
Agricultural Inventions - July 26, 1884
Engineering Inventions - July 26, 1884
Departments
Correspondence - July 26, 1884
Business and Personal - July 26, 1884
Notes and Queries - July 26, 1884
New Books and Publications - July 26, 1884
Index of Inventions - July 26, 1884
