the smaller mills gave way to larger premises which could combine all the processes of worsted production on one site. the first was joseph hargreaves' airedale mills (demolished 1970s), salts mill (built 1853 and now a gallery and restaurant complex), an enlarged well croft mill (demolished 1950s) and victoria mills near the canal... hargreaves employed 1,250, salt initially 2,500 and by 1876 total employment in the mills was 6,900.