SCIENTIFIC AMERICAN, New York, May 18, 1878  This issue contains illustrations and articles on the latest inventions of the day including: "Cable Making on the East River Bridge"; "The Kunstadter Rudder Screw"; Calendar Clock"; "Steam Engine"; "Plante's Secondary Batteries" and more illustrations, articles and advertisements.
This is complete in 16 pages with some lite scattered foxing to the front cover, otherwise is in very good condition.