Scientific American Magazine
Volume 40, Issue 4You are currently logged out. Please sign in to download the issue PDF.
Features
American Industries.--No. 3
The Fourth State of Matter
The Transmutation of Elements
The Bill to Discourage Inventions
An Improved Table
Rotary Lift Pump
Saturator and Regulator of Mekarski's Compressed Air Motor
Amateur Mechanics
A Novel Bridle Bit
A New Continuous Calk Horseshoe
The Wallace-Farmer Electric Light
Excavator on the Ghent and Terneu-Zen Ship Canal, Belgium
The Penciled Ear Hog
A New Firearm
A New Form of Sulphureted Hydrogen Apparatus
Elizabethan Fireplace
To Inventors
Communications Received
Departments
Correspondence
Notes and Queries
New Books and Publications
Business and Personal
Index of Inventions
Patents
