SCIENTIFIC AMERICAN, New York, April 29, 1911  The front cover of the issue is entitled "Rise and Fall of the American Merchant Marine" with further information inside. Within the issue is "Wilhelm Ostwald - A Leader in Modern Philosophy of Science"; "The Voisin 'Canard' Biplane" which was Christened the 'Duck';  "Traffic Problem in London";  and many more articles and advertisements.

Complete in 24 pages measuring approximately 15.5 x 11 inches with the front cover partially detached from the spine, a few archival and non-archival margin mends within the issue, otherwise is in good condition.