SCIENTIFIC AMERICAN, New York, May 16, 1908  This issue contains an illustration "The 35-Horse-Power Caterpillar" with an accompanying article "The 'Caterpillar' Tractor". Additional items are: "Ziegler Magazine for the Blind", "A French Universal System of Machine Molding", "Path of Annular Eclipse" and additional articles and advertisements.

This is complete in 16 pages and is in good condition.