Was published, April 1st, 1801 ... an entire new work, entitled, Cases of successful practice with Perkins's metallic tractors, communicated since January, 1800 / [Benjamin Douglas Perkins].
- Perkins, Benjamin Douglas, 1774-1810
- Date:
- [1801]
Licence: Public Domain Mark
Credit: Was published, April 1st, 1801 ... an entire new work, entitled, Cases of successful practice with Perkins's metallic tractors, communicated since January, 1800 / [Benjamin Douglas Perkins]. Source: Wellcome Collection.
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