To put the pigeon wheel to work, [Uri] built an escapement and a somewhat crooked pendulum, plus a drive weight and dial. It’s almost a clock, but not quite, since it doesn’t measure time in ...

Nigel Havers presides as five sellers aim to get the best price for their items, including a Georgian painter’s box, a butter churn, some WWII silk maps, a wooden stool and a pigeon clock.