For those who don't know, the "Vetinari" clock is a reference to Lord Vetinari, patrician of Ankh-Morpork in the Diskworld books of Terry Pratchett. He had a me

For those who don't know, the "Vetinari" clock is a reference to Lord Vetinari, patrician of Ankh-Morpork in the Diskworld books of Terry Pratchett. He had a mechanical clock that behaved like this in his waiting room so that people waiting to see him would be slowly driven crazy by the irregular tick.