Field Cup Anemometer W. & L. E. Gurley Engineering Instruments Troy N.Y. c.1950 serial #571482 of nickel and steel collapsible construction with directional vane canvas case and second cup head #45306
Field Cup Anemometer W. & L. E. Gurley Engineering Instruments Troy N.Y. c.1950 serial #571482 of nickel and steel collapsible construction with directional vane canvas case and second cup head #45306 71" (height) 180.3cm (height)