Martyrdom of CalepodiusHis Hagiography recalls that he was tortured and then thrown into the Tiber river with a mill stone tied round his neck.
22.
A giant whirlpool ( maelstrom from Mal-mill and str�m-stream ) was formed as the sea started rushing through the center of the mill stone.
23.
The 20-foot water wheel is still in place, although it stopped powering the mill stone in 1869, when a turbine was installed to do the job.
24.
In October 1830, while replacing the mill stones, the millers had opened the flood gates for 16 days, and built a dam across the river, thus preventing navigation.
25.
All the original mill machinery and equipment remains including three under driven mill stones, grain and meal elevators, a bolting reel, air leg aspirator, sack hoist and ancillary equipment.
26.
The two mill stones can be seen on the north side of Kale Island and to the east of the main channel through one of the many minor channels.
27.
The potential energy of the water's movement drives the blades of a wheel and converts it to mechanical energy, which in turn rotates an axle that drives the jander's mill stones.
28.
The site goes back to the 14th century ( in the Deeds ), Originally the site was used for early tin stamping and then in the 19th century as a gristmill; The mill building and a number of mill stones remain on the site.
29.
In the 1890s, Treffry's water wheel at Carmears was put back into use in the 1890s to mill stone; this became known as the Wheelpit Mill; the resulting material was piped down to Pontsmill in slurry form in a pipeline laid on the course of the former tramway incline.
30.
They are carried on a cast-iron windshaft which also carries the brake wheel which drives the wallower at the top of the upright shaft . At the bottom of the upright shaft, the great spur wheel drives the one pairs of mill stones of diameter via a lantern pinion stone nut.
