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एहो सभ देखी
 वाटक वाष्प इञ्जन

बाह्य जडीसभ
 James Watt by Andrew Carnegie (1905)
 James Watt by Thomas H. Marshall (1925)
 Archives of Soho  at Birmingham Central Library.
 BBC History: James Watt
 Revolutionary Players website 
 Cornwall Record Office Boulton & Watt letters 
 Significant Scots - James Watt

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