The SciencesFebruary 21, 1920
The Modern Gas Holder
Stories by Charles W. Person
The SciencesApril 24, 1915
New York City's Twenty-five Foot Map, Scholarship for Belgian Students in American Universities and more
Includes editorials on
Blockade by Submarine
The War of Attrition (Naval)
TechnologyFebruary 20, 1915
New York's Greatest Lighting Spectacle, The Administration View of the Shipping Bill and more