Angier's Emulsion : the original and standard preparation of petroleum.
- Date:
- [between 1930 and 1940?]
Licence: In copyright
Credit: Angier's Emulsion : the original and standard preparation of petroleum. Source: Wellcome Collection.
Licence: In copyright
Credit: Angier's Emulsion : the original and standard preparation of petroleum. Source: Wellcome Collection.
