The Loo Chronicles - Part The Last (?)

.... Except that the cistern, which had been tied off during the porcelain replacement, now overflowed continuously. The cognoscenti will be nodding wisely and noting that this where the ballcock comes in. Ballcocks, of course, are adjustable. Expect when they're made of copper and brass and have been operating in a moisture-rich environment for sixty years, becoming a textbook example of the fusion ...