| 摘要 |
A wind velocity gage for use on sailboats including a vertical shaft to be mounted on or near the mast head. A vane is pivotally mounted on the end of the shaft and includes a forward small weighted end and a rear vertically oriented fin. A wind velocity pointer is pivotally mounted on the rear fin and moveable differentially to one of several positions indicating wind velocity. A scale for read-out is provided about the circumferential periphery of the fin.
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