SCIENTIFIC AMERICAN, New York, June 24, 1893  The front cover has "World's Columbian Exposition -United States Government Exhibits of River and Harbor Improvements" with an accompanying article.  Inside the issue is: "Group of Effigies Near Fort Atkinson Wisconsin"; "Japanese at the World's Columbian Exposition"; "The World's Columbian Exposition - The Viking Ship Recently Arrived from Norway"; and more illustrations, articles and advertisements. 
Complete in sixteen pages, never bound, lite dampstaining at the bottom margin, otherwise in very good condition.