EpisodeS4E1129 min1984-12-15
The Woodwright's Shop
Rittenshouse Hygrometer
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.
The Woodwright's Shop
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.