 Work in the early part of 1983 was mainly confined to smaller jobs such as casting various <unk> and overhaul of the various parts of the <unk> <unk> and mechanism for controlling the Patent sails . The mill was generally made as safe as possible inside in preparation for scheduled visits , including one from the Wind and <unk> Section of the Society for the Protection of Ancient Buildings . Other work included the overhaul of the final drive to the 4 feet 7 inches ( 1 @.@ 40 m ) stones , including <unk> the stone nut and replacement of three <unk> in beech . 
