Specification of Pierre Alegre : furnaces and boilers of steam engines.
- Alegre, Pierre.
- Date:
- 1854
Licence: Public Domain Mark
Credit: Specification of Pierre Alegre : furnaces and boilers of steam engines. Source: Wellcome Collection.
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Licence: Public Domain Mark
Credit: Specification of Pierre Alegre : furnaces and boilers of steam engines. Source: Wellcome Collection.