used for cutlery grinding until 1891. By 1901 the mill was declared ‘empty’ and demolished in 1907. Shepherd Wheel (extant) This was originally called Porter Wheel, and was mentioned in a will read in 1566. From 1749, it was leased to Edward Shepherd, and the wheel was then known by his name. He worked there until he died in 1794, when it passed to his son-in-law. Samuel Hind began working there when aged ten in 1818, and the Hind(e) family were associated with it until about 1930, when commercial operation ceased. The leaseholder was John Eyre, who bought the wheel from the Duke of Norfolk's estate in 1811, and ownership passed to Sheffield Corporation in the late 1890s, although the transaction was not completed until 1908. After 1930, the wheel was maintained and occasionally demonstrated by the forerunner of the South Yorkshire Industrial History Society until 1941. Its condition deteriorated, and it was almost demolished, but the Council for the Conservation of Sheffield Antiquities renovated it, and it was given to the City Museums. It is now run as a museum by the Sheffield Industrial Museums Trust. Ibbotson's Wheel (extant) 1754 to 1902 – previously Upper Spurgear Wheel or 4th Endcliffe Wheel. This workshop was also known as ‘New Wheel’, and ‘Cutler Wheel’. It became ‘Ibbotson Wheel’ in 1775 and had a 22ft fall of water with 11 working troughs. The first wheel on this site was erected by Stephen Hawksworth in 1754, but it was operated by Josepoh Ibbotson from 1759, and became known by his name from 1775. After his death, it was bought by Ebenezer Marsden, who opposed the Water Works Bill in 1835, and was charged an extra £7 rate because of his stance. In 1847, the wheel was subjected to rattening, when unknown people entered the building and broke five of the grindstones. Ownership was transferred to Sheffield Corporation, who gave the Ibbotsons notice to quit in 1902. A proposal in the 1930s for it to become an industrial museum came to nothing, and it was demolished around 1950. During the early 1900s the dam became Porter Glen Boating Lake. Nether Spurgear Wheel (extant) 1749 to c.1875 – also known as 3rd Endcliffe Wheel Initially this workshop had 10 working troughs. By 1830 it had been enlarged to include 17, which were driven by a 23ft diameter wheel. Nether Spurgear Wheel was mainly used to