The Leeds Industrial Museum at Armley Mills is on the River Aire and fronts onto the Leeds and Liverpool Canal. When built in 1805 it was the largest woollen mill in the world with 18 fulling stocks and 50 looms. It contains a collection of textile machines. Arthur Heaton Rotary Press 1929. The cloth was fed under a continuously rolling heated steam roller. The base plate was flat and could be adjusted for differnt thicknesses of cloth. .