0 a device in a water tank that controls the level of water, consisting of a floating ball attached to a rod --
The tenants try to stop it by bending the arm of the ballcock: but that means that the cistern only half fills and the lavatory does not flush properly.
He was, however, in the forefront of the industry in the late 19th century, and held nine patents, three of them for water closet improvements such as the floating ballcock.
He did, however, do much to increase the popularity of the toilet, and developed some important related inventions, such as the ballcock.
Dispensing may be regulated by a mechanical float device similar to a ballcock in the tank of a flush toilet.
This is identical in principle to the ballcock valve.
