Specification of John Barker : consuming smoke in furnaces, &c.
- Barker, John.
- Date:
- 1868
Licence: Public Domain Mark
Credit: Specification of John Barker : consuming smoke in furnaces, &c. Source: Wellcome Collection.
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Licence: Public Domain Mark
Credit: Specification of John Barker : consuming smoke in furnaces, &c. Source: Wellcome Collection.