An anemometer is a device for measuring wind speed, and is one instrument used in a weather station. The term is derived from the Greek word, anemos, meaning wind. The first anemometer was invented by Leon Battista Alberti. Anemometers can be divided into two classes: those that measure the velocity of the wind, and those that measure the pressure of the wind, but as there's a close connection between the pressure and the velocity, a suitable anemometer of either class will give information abo… (More on Anemometer)