100 Years Ago: Preparing for Gas Attacks

From The History of Base Hospital 50:

"On June 21st, several experts in gas drill, some being British Army officers, arrived from Camp Fremont, and, for five days, gave instructions to officers and men in the use of gas masks. Actual experience with gas was given each man in a gas tent especially erect for this purpose in camp."

"Ready for the gas"

Red Cross Base Hospital 50 Photograph Album, 1918-1919, pg 16.

University of Washington Libraries, Special Collections, PH Coll 387. 

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References:

1. Seattle Daily Times, July 7, 1918, pg 7.