Ocean-going Log Rafts, On the Mat, and more
Including an Editorial on the Successes of Aerial Reconnaissance
Volume 111, Issue 20
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Features
Forest Fire Fighting
Construction of a 115-Foot Watch-Tower With Limited Equipment
Hearing Print
The Electrical Measurement of Star Light
How Modern Technical Advances are Utilized in Astronomy
Random Reflections
By "Irresponsible"
Strategic Moves of the War- November 7th, 1914
Letter from the Military Correspondent