How Do They Do It?

11:00 PM to 11:30 PM
Monday 28 April
+

Bowling Balls/Tower Bridge

Season 8 Episode 2 of 20

How bowling balls are made, and the mechanisms behind raising and lowering London's Tower Bridge

How Do They Do It? airs on Discovery History +1 at 11:00 PM, Monday 28 April.
Topics
Education ➝ Science ➝ Factual Topics
General