When the Greaves family began building Sheaf Works in 1823, it was the first sign that great changes were underway in the Sheffield cutlery trade. A huge main block in Maltravers Street alongside the canal basin – built in the style of a country house– became the centrepiece of the first large-scale factory in the town. ‘One grand end was kept in view, namely that of centralizing on the spot all the various processes through which the iron must pass ... until fashioned into razor, penknife or ot....