Episode 1
S21E1
–
Straight Down the Line!: Simon tracks down the most famous line in the world, the zero line of longitude - otherwise known as the Greenwich Meridian - that celebrates its centenary next Saturday. Most visitors to Greenwich admire the famous Time Ball dropped one hour after noon each day-now is your chance to see how it works and why Greenwich Mean Time is of worldwide importance.
Episode
S21E10 · 1984-1985 · 10 of 79
Aired
11th October 1984
Network
BBC One