airspeed indicator, hand-held wind meter, and anemometer. Since 1976, it has been the standard wind measuring and airspeed measuring instrument for hang gliders, paragliders...Hall Brothers Manufacturing Co. HALL AIRSPEED INDICATOR/ WIND METER The Hall Airspeed Indicator or Wind Meter was designed to fill the need for a simple, rugged, and reliable... and ultralight aircraft as well as many other uses such as wind surfing, kite flying, and radio controlled model airplanes. Although of simple design, the Hall Airspeed Indicator or Wind...

Hall Brothers Manufacturing Co. Wind Measurement WIND MEASUREMENT The Hall Wind Meter is the ideal hand-held wind-measuring instrument. Accurate and reliable, it never needs... batteries. Available in two sizes as shown to the left. The Standard and Small sizes are available in the following calibrations: Hall Wind Meter Standard 7 1/2" high Price $24.50 each... the Hall Wind Meter: To measure the wind, simply hold the Hall Wind Meter with the small tube at the bottom facing directly into the wind. Wind speed is indicated by the red disc...