Jerry
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Activism
Natural Resources
Extractors of Natural Resources
Mining (extraction)
Coal Mining (Collieries)
Pumping Water Out of Coal Mines
Newcomen Pump (1712)
Watt Steam Engine (1769)
Smethwick Engine (1779)
Attachments
Smethwick Engine
Parents
James Watt (1736-1819)
Watt Steam Engine (1769)
Children
The Smethwick Engine