Duration
30 minutes
Series Info
Season 18 Episode 12
Quick Summary
Bowler hats and solar water heaters
About This Program
Developments in the manufacture of bowler hats, solar water heaters, sticky buns and electrostatic speakers
How It's Made broadcasts on Discovery Science at 8:00pm, Thursday, 11 December 2025. (Subtitles)
Channel Numbers:
Sky HD787Sky167Virgin179