SCIENTIFIC AMERICAN, New York, August 5, 1893  The front cover has "The World's Columbian Exposition - The French Locomotive Exhibit - The Bethlehem Iron Co.'s Exhibit" (Pennsylvania) with an accompanying article.  Inside the issue is: "The Edison Electric Light Suits" the recent ruling on the patent; "The Desroziers Dynamo"; "The World's Columbian Exposition - Loop of the Intra-Mural Railway"; "The Woolf Electrical Apparatus for the Purification of Water"; and more illustrations, articles and advertisements. 
Complete in sixteen pages, never bound, in very good condition.