1. For this piece he had created a wind vane mounted to a helmet. 2. A stone-set wind vane and three red brick entrance arches were also kept. 3. The demolition of this " shrine of early Christendom ", and wind vanes . 4. An anemometer and wind vane were placed atop a tower to record wind data. 5. The wind vane on top of the hospital is a model of the yacht. 6. The crown contains a wind vane on the checkerboard. 7. Modern instruments used to measure wind speed and direction are called anemometers and wind vanes , respectively. 8. As the mine drops the wind vane spins, generating the power used to arm the mine. 9. These support a continuous band of curved glass with cast iron vent and a wind vane . 10. The total height of the tower measured from the base to the top of the wind vane .