1948 dial model Wind Direction Indicator

Made by Cape Cod Wind Instruments. 7 1/4" tall, 5 1/4" wide; in shipping box 7 1/2" square. Note on label: "7/10/69 tests O.K."; unused since testing; sold as is in box. Can be hung on the wall. Note old-style electric cord. Has a switch on top. The front is glass; light dances from direction to direction as the wind veers.