SCIENTIFIC AMERICAN SUPPLEMENT, New York, October 11, 1919  The front page has "Testing Rifle Ammunition" with an accompanying article. Inside the issue is: "Airplane Mapping by the United States Army"; "Copying Fingerprints - II"; "Experimental Wireless Telegraphy and Telephony - VI"; "The Cooperage Industry"; and more illustrations, articles and advertisements.
Complete in twenty-four pages, never bound, in nice condition.