Scientific American Magazine
Volume 89, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
Broadway Tunnel Controversy
A Day with the "Shamrocks"
By the Yachting Expert of the Scientific American
The Ninth International Geological Congress
The Current Supplement
Prof. Barnard's Observations of the White Spot on Saturn
A New Gold District
Present Status of American Shipbuilding
An Instrument for Describing Mathematical Curves
An Audible and Visible Railway Signal for Grade Crossings, Operated by a High Tension Current
Waterway Improvement on the Ohio
The Secret Cannibal Society of the Kwakiutl
The Sending of the President's Message around the World
An Automatic Device for Replacing Bowling Alley Pins
A Novel Amusement Apparatus
An Efficient Low-Priced Typewriter
Departments
Correspondence - August 15, 1903
Notes and Queries - August 15, 1903
Recently Patented Inventions - August 15, 1903
Business and Personal Wants
New Books, Etc. - August 15, 1903
Index of Inventions - August 15, 1903
