. . "accepted"@en . "Cup and vane anemometer"@en . "A generic term for a device that measures windspeed by determining the speed of rotation of 3 cups mounted on horizontal arms with a central pivot and wind direction by determining the orientation of a separate pivot-mounted sail. The term is for use where the measurement principle is known, but details of the make and model number are not known."@en . . . "Cup and vane anemometer" . "Cup and vane anemometer"@en . "SDN:L22::TOOL0280" . . . . . . . .