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Francis Mansell: flywheel in motion
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Francis Mansell: Markfield Beam Engine
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Francis Mansell: Markfield Beam Engine - the governor
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Francis Mansell: Markfield Beam Engine
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Francis Mansell: spanner set
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Francis Mansell: please wipe your feet!
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Francis Mansell: Markfield Beam Engine
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Francis Mansell: Markfield Beam Engine - oil input