The caisson lock is a type of canal lock in which a narrowboat is floated into a sealed watertight box and raised or lowered between two different canal...

A caisson is a form of lock gate. It consists of a large floating iron or steel box. This can be flooded to seat the caisson in the opening of the dock...

The distinguishing feature of a lock is a fixed chamber in which the water level can be varied; whereas in a caisson lock, a boat lift, or on a canal inclined...

web ceiling Caisson (lock gate), a gate for a dock or lock, constructed as a floating caisson Caisson (pen name), of Edward Sperling Caisson (western architecture)...

and a royalty of 4 pence per ton of goods passed. The design of the caisson lock at Combe Hay was not a success: on 15 February 1798 the first descent...

deep. The four main types of caisson are box caisson, open caisson, pneumatic caisson and monolithic caisson. A box caisson is a prefabricated concrete...

lift lock functions by gravity alone using the counterweight principle. One caisson always ascends and the other always descends during each locking cycle...

miles (2.6 km). The lock flight was predated in the immediate area by two other methods of canal lifts—first by a series of caisson locks, then by an inclined...

balanced water-filled caissons in Erasmus Darwin's Commonplace Book (pp. 58–59) dated 1777–1778 In 1796 an experimental balance lock was designed by James...

United Kingdom Camden Lock, Commercial Road Lock, Limehouse Basin Lock Locks on the Kennet and Avon Canal Boat lift, Caisson, Caisson lock, Canal inclined plane...