SCIENTIFIC AMERICAN, New York, April 27, 1872  The front page features "The Hawley Brick Kiln" illustrations with accompany article. Inside are: "Muller's Improved Rope Railway", "Myers' Improved Press"; "Holcomb's Hot Air Furnace" with additional articles and advertisements within the issue as well.

This is complete in 16 pages with a slight irregular left margin, a small area of very lite damp staining in the bottom margin, otherwise in good condition.