SCIENTIFIC AMERICAN SUPPLEMENT, New York, March 1, 1913 Within is issue is an article entitled "Lighthouses and Buoys of New York Harbor - Safeguards for the Mariner" which also contains several accompanying illustrations. Other articles include "The New York Water Supply - Notes on New York City's Water Supply System"; Modern Pumps for High Vacua"; Halos in Minerals - Markings Due to Radium in Rocks, and Their Significance" and other articles.
This is complete in 16 pages and is in nice condition.