| Edwin Clark | |
|---|---|
| Died | 22 October 1894 Marlow, Berkshire, England |
| Residence | Cromwell House, Marlow |
| Known for | Hydraulic Engineer |
Edwin Clark (1814–1894)[1] was an English civil engineer, specialising in hydraulics. He is chiefly remembered 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.[2]
Contents |
Clark was at one time a mathematical master at Brook Green, then became a surveyor in the west of England. In 1846 Clark went to London where he met Robert Stephenson, who appointed him superintending engineer of the Menai Bridge. When this opened on 5 March 1850 Clark published a book The Britannia and Conway Tubular Bridges (3 vols), and by August of that year he had moved on to become an engineer with the Electric and International Telegraph Company, where he took out the first of several patents for telegraph apparatus; the London and North Western Railway used Clark's telegraph between London and Rugby from 1855.[3]
Clark was an experienced hydraulic engineer with the firm of Clark, Stansfield & Clark, consulting engineers of Westminster, when he was called upon in 1870 by Edward Leader Williams to design a boat lift to raise boats 50 feet from the River Weaver to the Trent and Mersey Canal.[4] Clark designed the original hydraulic structure opened in 1875, which was later replaced by a wire rope and pulley system from 1908 to 1983 before being returned to hydraulic operation in 2002.[5]
He went on to design other boat lifts in other European countries. In 1879, he presented a project to the Belgian government including four of his lifts. This project received governmental approval in 1882, but it was 1917 before it was totally operational. When the canal was modernised in the 1960s, the original plan was to demolish the old installations and to redevelop the land. Local people fought to maintain the installations and eventually won the long battle. In 1998, the whole site of the Canal du Centre became a World Heritage Site. In 2007, the restoration work at all but one of the four Belgian Clark lifts was almost finished.[6]
Clark appears in the painting Conference of Engineers at the Menai Straits Preparatory to Floating one of the Tubes of the Britannia Bridge by John Lucas,[1] and is also remembered in the name of the public trip boat that operates on the Anderton Boat Lift.