Rare Danforth/White (instantaneous no-delay, realtime wind motion readout) Analog Wind Direction Indicator 115 VAC
Sychronized electrical unit allows precise and EXACT realtime movement of vane to be EXACTLY depicted on the dial.
No LAG like digital weather stations which have transmission delays.
You may need to supply a longer 5-wire cable as this comes with only several feet. More details available on request.
$300 plus shipping.