Cup Cross (Q1742)

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Four hemispherical bowls are attached to a horizontal cross of arms of equal length in such a way that their openings stand vertically and are equidirectional in a circle around them. Since the bowls are facing all directions, they evenly indicate any wind force from any direction.
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Cup Cross
Four hemispherical bowls are attached to a horizontal cross of arms of equal length in such a way that their openings stand vertically and are equidirectional in a circle around them. Since the bowls are facing all directions, they evenly indicate any wind force from any direction.

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