SCIENTIFIC AMERICAN, New York, November 8, 1851 The front page has two illustrations of a "Steam Engine Regulator". Inside the issue are illustrations of "Erricsson's Caloric Engine" and "A  Cheap Cottage". Also inside is the ruling of an infringement of patent case dealing with the McCormick's Reaper. Additional articles and advertisements are within as well.

This is complete in 8 pages, with a small piece missing in the lower corner of the front and back leaf, otherwise is in nice condition.