Specification of John James Ridge : treating farinacious substances.
- Ridge, John James.
- Date:
- 1863
Licence: Public Domain Mark
Credit: Specification of John James Ridge : treating farinacious substances. Source: Wellcome Collection.
7/8 (page 5)
Licence: Public Domain Mark
Credit: Specification of John James Ridge : treating farinacious substances. Source: Wellcome Collection.