Aired Monday February 12, 1:00pm - 1:30pmon Quest +1

How Do They Do It?

Series 12 Episode 8

How do they make the world's finest harp strings, how do they build roof windows that can keep out a hurricane and how do they make Belgian waffles?

Category
Documentary / Educational / Science
Original air date
2015-03-11
Cast and crew
  • Chris BroylesNarrator