SCIENTIFIC AMERICAN, New York, June 5, 1915  This issue contains the following  prints, articles and/or ads: photos of great inventors of past seven decades, "Seventy Years of Inventions", "The Rise of the Automobile", "Transportation on Land and Sea", "Seventy Years of Civil Engineering", communications articles, auto ads, etc.  Some of the great inventory with prints include:  Isaac Singer, Charles Goodyear, Count Von Zeppelin, J.A. Fleming, Rudolf Diesel, and many more. 
Excellent condition.  The front page and the color cover contain a library stamp as shown, but all other pages and illustrations (there are many) do not have this stamp.