Patents for inventions.
Abridgments of specifications.
Class 79,
Locomotives and motor-vehicles for road and rail, including portable and semi-portable engines.
Description
Viewability
Item Link | Original Source |
---|---|
Full view c.1 1877-88 | University of Chicago |
Full view c.1 1889-96 | University of Chicago |
Full view c.1 1905-08 | University of Chicago |