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pt. 1. Papers from Boulton & Watt, Wedgewood and Harvey & Co of Hayle from Cornwall Record Office (26 reels)
pt. 2. Papers from Harvey & Co of Hayle from Cornwall Record Office (22 reels)
pt. 3. Papers of James Watt (1736-1819) and James Watt, jnr (1769-1848) from the James Patrick Muirhead Collection, at Glasgow University (12 reels)
pt. 4. The Darby family, Coalbrookdale Estate and the Iron Bridge : sources from Shropshire archives (19 reels).
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Industrial revolution : a documentary history.. Series 4, Sources from record offices in the UK. Published by Adam Matthew Publications Ltd in 2005. Publication and catalogue information, links to buy online and reader comments.