Specification of Francis Erskine : economizing fuel and consuming smoke.
- Erskine, Francis.
- Date:
- 1869
Licence: Public Domain Mark
Credit: Specification of Francis Erskine : economizing fuel and consuming smoke. Source: Wellcome Collection.
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Licence: Public Domain Mark
Credit: Specification of Francis Erskine : economizing fuel and consuming smoke. Source: Wellcome Collection.