Scientific American Magazine
Volume 49, Issue 11You are currently logged out. Please sign in to download the issue PDF.
Features
The Observatory of the International Bureau of Weights and Measures
Blake's Compound Steam Pumps
Petroleum for Light
Exports of Manufactures
Passage of the New British Patent Law
Economy of Steam
Scientific Shows--Sword Swallowers
Force Feed Lubricator
Device for Protecting Oil Tanks from Lightning
Rocker Seat Worker
Improved Frying Pan
Apparatus for Disintegrating Vegetable Substances
Improved Platform Gear for Wagons
New Umbrella Support
New Balanced Slide Valve
The Demoiselle and Peacock Crane
Agricultural Inventions
Mechanical Inventions
Engineering Inventions
Miscellaneous Inventions
Departments
Correspondence
Recent Inventions
Notes and Queries
Index of Inventions
New Books and Publications
Business and Personal
Patents
