Category:Ralph Hart Tweddell

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<nowiki>Ralph Tweddell; Ralph Tweddell; Ralph Tweddell; Ralph Tweddell; British mechanical engineer and inventor of the hydraulic riveter (1843–1895); ingenieur; Ralph Hart Tweddell</nowiki>
Ralph Tweddell 
British mechanical engineer and inventor of the hydraulic riveter (1843–1895)
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Date of birth1843
Date of death1895
Occupation
Award received
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Wikidata Q18734127
Oxford Dictionary of National Biography ID: 27903
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Media in category "Ralph Hart Tweddell"

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