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flax, sufficient improvements were made to enable John Marshall to undertake the construction of a new mill at Holbeck in 1791, Murray was in charge of the installation. The installation included new flax-spinning machines of his own design, which Murray patented in 1790. In 1793 Murray took out a second patent on a design for "Instruments and Machines for Spinning Fibrous Materials". His patent included a carding engine and a spinning machine that

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