The SciencesJanuary 1, 1923
Our Startling Automobile Traffic, Keeping the Gasoline Out of the Crankcase
Stories by Charles Evan Fowler
The SciencesJune 1, 1918
The Longest Possible Bridge Spans
Including Description of the Proposed Hudson River and San Francisco Bay Structures
TechnologyApril 20, 1918
Modern Suction Dredging
Pumping No Longer Restricted to Liquids
EnvironmentMarch 9, 1918
Can Coal be Pumped?