The Duff Manufacturing Company, manufacturers of Barrett patent compound lever, track, and oil well jacks
Publisher: The Duff Manufacturing Company
Published: 1889
Place of publication: Allegheny, Pa
Language: eng
Number of pages: 23
Subjects: Catalogs; Machinery industry; Lifting-jacks; Duff Manufacturing Company
Other titles: Illustrated catalogue of Barrett jacks, track, oil well and lever jacks
Notes: Date from text.