Supplement to Allen's Digest of Agricultural implements
Subtitle: patented in the United States (from 1789 to July 1881) beginning with July 1881 to and including June 1884.
By: Compiled and arranged by James T. Allen ..
Contributors: Allen, James T.; United States. Patent Office.
Published: 188u
Place of publication: [New York?]
Language: eng
Number of pages: 1587
Subjects: Agricultural machinery.; Patents -- United States.