Before the Congress of the United States.
Subtitle: In the matter of John C. Birdsell, petitioner for an act authorizing the commissioner of patents to hear and determine his application for extension of his patent--machine for hulling and threshing clover.
Publisher: T. McGill & co., printers
Published: 1878
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Threshing machines.; Clover.