Features
New Process for Plaster of Paris
Remarkable Results at Sandy Hook
The Growth of London and New York
Forestry in India and Canada
New Trans-Pacific Cable
Wild Animals in Winter
A Hydraulic Bicycle Joint
Russian Bayonet Exercises
The Popoff-Ducretet Apparatus for Wireless Telegraphy
Government Tests of Maximite at Sandy Hook
Some Features of the New York Rapid Transit Tunnel
The "Shamrock" Under Sail
An Ice Fountain
The Amateur in Photomicrography
An Interesting Insect--Thyridopteryx EphemerFormis
Business and Personal Wants
Departments
- Departments
Science Notes - May 25, 1901
Recently Patented Inventions - May 25, 1901
Notes and Queries - May 25, 1901
Index of Inventions - May 25, 1901
Patents - May 25, 1901
