Edwin Clark, was an English Civil Engineer, specialising in hydraulics, he is remembered principally as the designer of what, which two caisson lift lock near the village of Anderton, Cheshire, in North West England?
Edwin Clark (civil engineer):  He is remembered principally as the designer of the Anderton Boat Lift (1875) near Northwich in Cheshire, which links the navigable stretch of the River Weaver with the Trent and Mersey Canal.
i don't know