SCIENTIFIC AMERICAN, New York, April 30, 1892  The front cover has "The Grant Monument to be Erected at Riverside Park, New York City" with an accompanying article. Inside the issue is: "The Improved Charter Gas Engine"; "Twin Screw Triple Expansion Engines of H. M. First-Class Cruiser Edgar..."; "Scientific Tricks with Billiard Balls and Coins"; and more articles, illustrations and advertisements.
Complete in sixteen pages and in very good condition. Never bound.