SCIENTIFIC AMERICAN SUPPLEMENT, New York, January 2, 1886  Includes an article of: THE BELL TELEPHONE CASE . This article details the Interior Department recommends that the Attorney General investigate to see if Bell's first patent was valid. The front page of the issue "Hydraulic Machinery for Operating the drawbridge Across the Harlem River at Second Ave. N.Y. City". Inside the issue is ""The Jarman Ice and Refrigerating Machine"; "Vertical Flour Mill Engines"; and many more illustrations, articles and advertisements.
This is complete in 16 pages, has several tiny binding holes along the left margin, a perforated library stamp in the masthead area, otherwise in very good condition.