SCIENTIFIC AMERICAN, New York, February 13, 1869  The front page has "The Gerner Patent Boiler" with accompanying article. Inside the issue is: "Douglas' Patent Hay Loader"; "Appegate's Patent Cart Catch"; "Notes on the Velocipede"; "Weston's Patent Improved Centrifugal"; and additional illustrations, articles and advertisements.
Complete in sixteen pages and in very good condition.