We can measure the weather using weather instruments. For example, an anemometer measures wind speed, and a thermometer measures temperature. A wind vane shows which direction the wind is coming ...
The self-emptying tipping bucket technology is most often used for rain gauges in weather stations ... help keep the instrument clean. Cup anemometer with separate wind vane - Uses three cups ...
Three days before the Declaration of Independence was signed on July 4, 1776, Thomas Jefferson purchased a thermometer from a ...