lTidal mills
were used in the Tenth and Eleventh Centuries in England, France, and elsewhere
lMillpond
water was trapped at high tide by a gate (Difficult working hours for the miller! Why?)
uDeben
estuary, Woodbridge, Suffolk, England has been operating since 1170 (reminiscent of “the old family axe”; only had
three new handles and two new
heads!)
uBrooklyn NY
had tidal mill at Bull Creek in 1636 (details
at http://watercourses.typepad.com/watercourses/water-old-mill-creekbull-creek-east-new-yorkcanarsie-brooklyn/)
uRhode
Island, USA, 18th Century, 20-ton wheel 11 ft in diameter and 26 ft wide **
uSlade’s Mill
in Chelsea, MA founded 1734, 100HP, operated until ~1980
uHamburg,
Germany, 1880 “mill” pumped sewage
uTidal mills
were common in USA north of Cape Cod, where a 3 m range exists [Redfield, 1980]