SCIENTIFIC AMERICAN, New York, December 20, 1913  The color-cover is entitled "The Lofty Crow's Nest of an Ocean Liner". Inside the issue is: "The Fifth Award of the Scientific American Medal"; "Inspecting Track Scales for the United States Government"; "A Fort That Travels on Wheels"; "Atlantic Steamships -- A Retrospect"; "How Many Stars Are There in the Milky Way?"; and more articles, illustrations and advertisements.
Complete in twenty-four pages and in very good condition. Never bound.