Example image of eyePlorer eyePlorer map for 'Pound lock': Canal Lock (water transport) River Canal pound Floodgate Flash lock History of Ptolemaic Egypt Roman Empire China Song Dynasty Technology of the Song Dynasty Dream Pool Essays Shen Kuo Twenty-Four Histories Europe Netherlands Vreeswijk Basin Bruges Damme Francesco I Sforza Italy Milan River and Rowing Museum Kingston Mills 984 Briare Canal Day's Lock Guillotine lock List of canal locks in the United Kingdom Whitchurch Lock River Lugg Shepperton Lock Blake's Lock Naviglio di Bereguardo Shiplake Lock Swift Ditch Culham Lock Summit level canal Whitchurch-on-Thames 1088 Grand Canal (China) Daniel Harris (Oxford) Iffley Lock Bray Lock Exeter Canal Northmoor, Oxfordshire Eynsham River Avon (Warwickshire) King's Mill, Castle Donington