The Corpus Clock, installed outside the Taylor Library at Corpus Christi College, Cambridge, is operated mechanically. However, time is indicated not by hands but by means of lights.
Huxley Bertram Engineering has played a major role in the seven-year, million-pound project to bring the clock to fruition. Click here to read more about the story and click here to see a photograph of the inside of the clock. A short movie features the inventor, Dr John Taylor, explaining how the clock works.