it was invented in 1432
Allowed people to see the direction and to some extent the intensity of wind.
they were invented in vienna.
Invented?
The thermoscope was invented by Galileo
it was invented in 1432
a windsock from japan
Generally windsock do narrow towards the free end
So the wind passed through and moves the windsock in the direction the wind is blowing.
Wings for Roger Windsock - 1947 was released on: USA: 1947
At airports.
a Chinese windsock
Windsocks are often used at airports to indicate the direction and strength of the wind.A standard windsock has white and orange stripes
It shows wind direction.
a windsleeve, a windcone
No
it shows how hard the wind is blowing