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BMSSXIV - General Collection of Bangor Manuscripts - Volume XIV Casgliad Cyffredinol o Lawysgrifau Bangor - Cyfrol XIV
27513a - Papers presented by Dr John Evans of the Science Library
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BMSS/27514
Teitl
Extracts from a letter by (James) Watt in the Edinburgh Philosophical Journal of January 1820, describing his experiments with steam engines. These extracts were found in a copy of Black's Lectures on Chemistry.
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Post 1820
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