Features
Combining the Airship and the Aeroplane
Great Steamship Combine
Sanitary Condition of Street Cars
Steering with Twin-Screw Engines
Lord Kelvin--England's Greatest Living Scientist
New Airship Under Construction for the British War Office
Powerful Locomotive for Suburban Service
The Growth of the Transatlantic Steamship
Underground Electric Railways Abroad
Mechanism for Predicting the Tides
The Sisal Industry in the Bahamas
Zuni, an Ancient City of the Pueblos
Patent Department
Automatic Drive-Gate
Tree-Stand
Oddities in Inventions
Adjustable Claw-Bar
Business and Personal Wants
Departments
- Departments
The Heavens in May
Recently Patented Inventions - May 3, 1902
Index of Inventions - May 3, 1902
New Books, Etc. - May 3, 1902
Notes and Queries - May 3, 1902
Patents - May 3, 1902