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Erik Villard (@erikthehistorian.bsky.social) on X: "An American soldier uses a French radio set, Varennes-en-Argonne, France, 12 Oct 1918. Photo from NARA RG 111-SC Enhanced by erikthehistorian (erik villard) CMH #WW1 @USArmyCMH https://t.co/2tbepefF9d" /
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Guest post by Keith Thrower: Technical factors affecting CW radio communication in WW1, part 2 - Innovating in Combat
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