SCIENTIFIC AMERICAN, June 29, 1912, New York  The front cover is a photo of "George Westinghouse, Engineer and Inventor" with an accompanying article inside the issue. Inside the issue is: "A Journey in a Passenger-carrying Zeppelin Airship";  "The Galveston Causeway"; "New Ideas About Lightning"; and more illustrations, articles and advertisements.
Complete in twenty pages, string binding along the left spine, otherwise in nice condition.