Specification of John Allen : construction of boilers : apparatus for drying malt, etc. : propelling vessels : applying explosive force of gunpowder to obtain motive power.
- Allen, John.
- Date:
- 1854
Licence: Public Domain Mark
Credit: Specification of John Allen : construction of boilers : apparatus for drying malt, etc. : propelling vessels : applying explosive force of gunpowder to obtain motive power. Source: Wellcome Collection.
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