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Photograph of Frank Whipple Snow.
Photograph of Frank Whipple Snow in uniform.
Identity card for Walter B. Cannon.
Identify card for Walter B. Cannon.
U.S. Army, American Expeditionary Forces
Defensive Measures against Gas Attacks
The A.E.F. issued these guidelines on instructions and preventive measures against gas attacks, including carrying masks and respirators, frequent drills, alarms, and inspection of equipment. The guidelines include instructions on anti-gas…