General view - 1 May 2007

General view - 1 May 2007

Door rises on lower caisson (tank) - 1 May 2007

Trip boat "Edwin Clark", named after the builder of the boat lift, approaches open caisson - 1 May 2007

"Edwin Clark" enters open caisson - 1 May 2007

With "Edwin Clark" in the caisson, the gate closes - 1 May 2007

The gate is closed with "Edwin Clark" inside the caisson - 1 May 2007

The caisson containing "Edwin Clark" begins to rise as the other caisson descends - 1 May 2007

The caissons continue to rise and descend - 1 May 2007

"Edwin Clark" can be seen in the ascending caisson - 1 May 2007

The caisson containing "Edwin Clark" nears the top level - 1 May 2007

"Edwin Clark" can just be seen as the caisson has reached the top level - 1 May 2007

At the top, "Edwin Clark" is just visible - 1 May 2007

"Edwin Clark" begins to leave the caisson - 1 May 2007

The outer gate rises as "Edwin Clark" waits to leave the boat lift - 1 May 2007

"Edwin Clark" exits under the raised gate - 1 May 2007

"Edwin Clark" joins the Trent & Mersey Canal - 1 May 2007

"Edwin Clark" moves along the Trent & Mersey Canal - 1 May 2007