Volume 120, Issue 17
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Features
An Airman's Story
Special Correspondent of the SCIENTIFIC AMERICAN in France
Small Airplanes and the Trans-Atlantic Flight
Describing the Sopwith, Short, and Martynside Airplanes Entered in the Great Contest
Emergency Employment Committee for Soldiers and Sailors
Stopping the Breach Caused by the Curtailment of Funds of the United States Employment Service
Supplying the British Farmer with the Sinews of War
How Inadequate Supplies of Labor, Machinery, Seed and Fertilizer Were Stretched into Sufficiency
Weighing High Temperatures in an Electric Balance
A New System of Pyrometry that Gives Better Control of Heat Processes
America's Great Effort in Ordnance--II
The New Proving Ground For Testing Army Ordnance at Aberdeen, Md.