Around 1450, Leon Battista Alberti developed the first known mechanical anemometer, using a swinging plate to measure wind ...
The handheld M130 mini anemometer measures air speed and temperature from any type of wind current. It measures wind speed up to 55 mph (90 km/h) and displays the results in m/s, km/h, mph, knots, or ...
Hand held anemometer, Sir Francis Galton type, by James Joseph Hicks, 8, 9 & 10 Hatton Garden, London, England, 1882-1894. Fitted with sand glass and mounted on later wooden stand. Hand held ...
Today's kids want to know question is one you might ask if you look out the window. If you see the trees moving, you might wonder how fast the wind's blowing. The way to figure that out is with a tool ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results