Scientific American Magazine
Volume 84, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
New Process for Plaster of Paris
Forestry in India and Canada
Pipe Galleries for the Rapid Transit Subway
The Growth of London and New York
Remarkable Results at Sandy Hook
New Trans-Pacific Cable
Wild Animals in Winter
Russian Bayonet Exercises
A Hydraulic Bicycle Joint
The Popoff-Ducretet Apparatus for Wireless Telegraphy
Government Tests of Maximite at Sandy Hook
Some Features of the New York Rapid Transit Tunnel
An Ice Fountain
The "Shamrock" Under Sail
The Amateur in Photomicrography
An Interesting Insect--Thyridopteryx EphemerFormis
Business and Personal Wants
Departments
Science Notes - May 25, 1901
Notes and Queries - May 25, 1901
Recently Patented Inventions - May 25, 1901
Index of Inventions - May 25, 1901
Patents - May 25, 1901
