Leather and its production / [H.R. Proctor].
- Proctor, H. R. (Henry Richardson), 1848-1927.
- Date:
- 1929
Licence: Public Domain Mark
Credit: Leather and its production / [H.R. Proctor]. Source: Wellcome Collection.
21/42 (page 5)
Licence: Public Domain Mark
Credit: Leather and its production / [H.R. Proctor]. Source: Wellcome Collection.