37 Sezon
480 Episod
The Woodwright's Shop - Season 4 Episode 11 Episodul 11 (2017)
After discussing how humidity affects different wood species, Roy makes a clever and simple late 18th-century hygrometer to measure the humidity in the shop.
- Țară : United States of America
- Gen :
- Studio : PBS
- Director :
- Distribuție : Roy Underhill
