Shortt designed a thus-entitled free pendulum clock you to reputedly left time for you within this throughout the a second per year

Shortt designed a thus-entitled free pendulum clock you to reputedly left time for you within this throughout the a second per year Then improvements emerged numerous H. Shortt’s program integrated two pendulum clocks, one a master (situated in an exhausted container) and the other a servant (hence contains the time dials). The 30 seconds the […]