Risk indicator device wind. (Machine-translation by Google Translate, not legally binding)

摘要

Wind hazard indicator device, being of the vane-type, double-tailed plane, figure 2, is capable of rotating in the horizontal plane the 360 degrees, carrying in its forward part of the leeward plane, an anemometric arrow (7), figure 1, able to rotate as a consequence of the axis (5) and the thrust of the wind (6) in the vertical plane completely free from 0 to 90 degrees, indicating with these two turns first the direction of where the wind as any wind vane and second the risk that that wind carries with it indicating in kms/h. Figure 2 (Machine-translation by Google Translate, not legally binding)