Features
The Imperfect Definition of the Photographic Image on Dry Plates
Early Use of the Water-Tube Locomotive Boiler
Fireproof Mail Cars
The Expansion of our Foreign Commerce
Inspection of Gas Meters
Progressive-Motion Ore-Conveyer
Hygienic Mechanical Bread-Making
Sinking the Caissons for East River Bridge No. 3
Cynips Polycera
Pompeil
Railroads in Cuba
The Nice-Turbie Race
By Our Paris Correspondent
An Oscillating Compound Steam Engine of Novel Design
Lamp-Hanger
Friction Clutch Pulley
Wave and Tide Motor
The Nation's Baskets
Business and Personal Wants
Departments
- Departments
The Heavens in June
Index of Inventions - May 31, 1902
Recently Patented Inventions - May 31, 1902
New Books, Etc. - May 31, 1902
Notes and Queries - May 31, 1902
Patents - May 31, 1902