jeffyphotos: Hydraulic piston
jeffyphotos: Inside Looking Out
jeffyphotos: Lift Lock about to descend
jeffyphotos: Lift Lock from below
jeffyphotos: Observation Window
jeffyphotos: Peterborough Lift Lock
jeffyphotos: Peterborough Lift Locks from above
jeffyphotos: Shadows on the window
jeffyphotos: Trent-Severn Canal