Scientific American Magazine
Volume 69, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
Armour Institute
Progress of Railways in the United States
Color Photography
Notes from the Worlds Columbian Exposition Chicago 1893
An Improved Balanced Slide Valve
A Machine for Finishing Saws
A Gold and Silver Refining Establishment
A Device to Teach Spelling
A Kindergarten Teaching Device
Improved Circular and Elliptical Boring Machine
Experiment Showing Magnetic Lag
Nasmyth's Torpedo Boat of 1853
Warburton Road Bridge--Manchester Ship Canal
The Santa Maria at the Fair
The Century Vase at the Fair
World's Columbian Exposition--Entrance to the Palace of Agriculture Building
A Twin Daisy
Departments
Correspondence
Recently Patented Inventions
New Books and Publications
Business and Personal
Index of Inventions
Notes and Queries
Patents
