 The ground floor of the mill is the meal floor . It is where the <unk> ground flour is delivered for <unk> up . The wooden great spur wheel , located at the bottom of the extended upright shaft and stone nuts are located on this floor . The great spur wheel has been converted from <unk> arm construction to <unk> arm construction . A third pair of 4 feet 6 inches ( 1 @.@ 37 m ) diameter French Burr <unk> is located on a <unk> frame , driven by the auxiliary engine via a fast and loose <unk> . 
