Features
Railroad Connections with Manhattan Island
Height of Ocean Waves
Selenides of Cobalt
Science Notes - July 6, 1901
Coke as a Substitute for Anthracite Coal
A Wyoming Fossil Quarry
A Starting-Device for Hydrocarbon Motors
A Trolley Palace Car
A Novel Twine Holder and Cutter
Pyramids of Del Mar--Erosion on the Pacific Coast
The Lance-Boats of the German Cavalry
The Thomas Auto-Tricycle
A New Instrument for the Measurement of High Temperatures
Business and Personal Wants
Departments
- Departments
Correspondence - July 6, 1901
Recently Patented Inventions - July 6, 1901
New Books, Etc - July 6, 1901
Notes and Queries - July 6, 1901
Index of Inventions - July 6, 1901
