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10322394 Timothy Hackworth, c 1830s. Hackworth (1786 | |
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10284198 Sketch of a spring-loaded safety valve from Hackworth's note-book, 1827-1828. | |
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10301256 Timothy Hackworth, British locomotive engineer, c 1830s. | |
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10301780 Timothy Hackworth, English engineer and railway pioneer, c 1830. | |
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10301781 Timothy Hackworth, English engineer and railway pioneer, c 1830. | |
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