SCIENTIFIC AMERICAN, New York, Sept. 2, 1876  The front page features the "Wrought Iron Bridge at Pittsburgh, PA" with related text. Inside the issue are numerous articles: "New Steam Dredging Machine"; Universal Wood Worker and Six-Roll Planer, Matcher and Bender by the J. A. Fay & Co,; "Brice's Boat Lowering Apparatus", "Oceanic Birds" and more.
Complete in 16 pages very nice condition.