From these, the water was piped to a ballcock regulated cistern, and from there to a small pond constructed of cement and limestone rocks to blend in with the surroundings.
He obtained a ballcock of a WC, welded it to a spike, and persuaded the Dockyard to cover it with gold leaf - an expensive procedure!
Place the new ballcock through the hole in the tank.
It reminded me more of Claes Oldenurg's 1967 proposal for a monumental ballcock in the Thames.
They went to a house in Longship Way, Maldon, and told the owner they were there to fix the ballcock in the loft.
Two other reasons for flushing problems could be that the flush valve or the ballcock need to be replaced.
I can't even remember if the problem to do with the header tank and the problem to do with the ballcock stop valve were connected, physically or metaphorically.
If a replacement ballcock has been installed, make sure that the water level in the tank is no less than 1/2 inch below the top of the overflow tube on the flush valve.
The device that caused the scare was later said to have been a ballcock from a bathroom cistern, packed with fireworks.
Finally, as the evening cooled, Graham took himself up to the loft to replace the worn-out ballcock float and valve that's been giving us a problem for some time.