Events

The Royal Observatory has been exporting Greenwich Mean Time since 1833, when a five-foot time ball was installed on its roof. Since then, a wide variety of technologies have brought Greenwich time to the outside world. David Rooney (above), curator of timekeeping at the Royal Observatory, will explore the curious history of time distribution from Greenwich, revealing little-known stories behind one of Britain??s best-known measurement systems, in this year??s IET Wheatstone Lecture, `Time by Wire: 175 Years of the Greenwich Time Service??.