The Time Ball on top of Greenwich Observatory is wound and dropped to signal 1 o'clock.
Various shots show a man in a white coat winding up the Time Ball at Greenwich Observatory. Shots outside the Observatory show the Time Ball slowly rising up a mast with a weather cock on the top.
C/U of machinery that causes the Time Ball to drops at 1 o'clock. L/S of the Ball dropping down the mast.
Note: small news cutting and publicity notes on file.