• The Peterborough Lift Lock was inaugurated on July 9, 1904. It took eight years to build. • With a height of 19.8 metres, it is the highest hydraulic lift . . . — — Map (db m260800) HM
[English] Opened in 1904, with a lift of 19.8 metres, this is the highest hydraulic lift lock in the world and the first of two built in North America, both on the Trent-Severn Waterway. It operates on a balance principle. A . . . — — Map (db m247847) HM