Scientific American Magazine
Volume 80, Issue 14You are currently logged out. Please sign in to download the issue PDF.
Features
French Submarine Torpedo Boats
United States Navy and Armstrong Guns at the Proving Grounds
Proposal to Build the New York Rapid Transit Tunnel
The Recent Explosion of a Ten-Inch Army Gun
Electricity at High Pressures
The Audubon Society
Some New Kite Experiments at Bayonne
Foreign Exhibitions of 1899
An Under-Trolley Car Burns Up
Spain's New Cruiser
Tests of Wireless Telegraphy
Death of General Flagler
Congress of Life Insurance Doctors in Belgium
An Improved Lens-Grinding Machine
Powerful Freight Locomotive for the Pennsylvania Railroad
A New Power-Hammer
Carrara and Its Quarries
A Simple Ventilator for Railway-Cars
A Novel Insulator
Cause of the Recent Explosion of the Ten-Inch Gun at Sandy Hook Explained
A Glimpse of the Paris Exposition of 1900
The Hornet and Its Home
To Inventors - April 8, 1899
Departments
Correspondence - April 8, 1899
New Books, Etc. - April 8, 1899
Recently Patented Inventions - April 8, 1899
Business and Personal - April 8, 1899
Index of Inventions - April 8, 1899
Notes and Queries - April 8, 1899
Patents - April 8, 1899