A self-powered wind speed instrument that displays speed up to 45 m/s. Mounted in a mahogany-finished, hardwood block and factory calibrated for accuracy. Can be wall mounted or set on any horizontal surface. Requires no external power supply.
Predictor is an accurate barometer with a traditional 3" (inHg) scale, resettable minder needle and precision German aneriod movement. Tracks air pressure to 5000' above sea-level.
