This ad appeared in Popular Science for July 1918, the Overland Monthly for January 1920, Popular Science for June 1920, the Electrical Experimenter for November 1920, Popular Science for December 1920, Forest & Stream for December 1920, and Popular
Science for June 1921.
Note that the ad does not mention Davis-Warner Arms but refers to the gun as Warner’s “Infallible Automatic”. The price is $18.
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