In 1675 (or thereabouts) telling the time in the middle of the night was no easy task. You couldn't simply flick a light switch and look at a clock. To get around this problem the British clockmaker Edward East came up with an ingenious device – the night clock. The night clock's illuminated dials meant that you could tell the time at any time – day or night. The only problem? You had to use an oil lamp to illuminate the numbers, and like most clocks, the night clock had a wooden case... Find out more about the night clock: https://goo.gl/bElZNh LINKS: Twitter: / britishmuseum Instagram: / britishmuseum Facebook: / britishmuseum Blog: http://british.museumblog.org/ Soundcloud https://goo.gl/u5GTth The British Museum Podcast: Mobile device https://goo.gl/GWWofs iTunes https://goo.gl/oSWTUp