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- Patents14
- Air-engines3
- Internal combustion engines3
- Steam-engines3
- Caloric engines2
- Engines2
- Traction-engines2
- Agricultural machinery1
- Alkanes1
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- Campbell, Christopher C.1
- Chemical engineering1
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- Evans, Oliver, 1755-18191
- Heat-engines1
- Inventions1
- Knibbs, James, -19011