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Campbell-Stokes recorder
Campbell-Stokes recorder (ˌkæmbəlˈstəʊks) n (Physical Geography) an instrument for recording hours of sunshine per day, consisting of a solid glass sphere that focuses rays of sunlight onto a light-sensitive card on which a line is burntCampbell-Stokes recorder
Campbell-Stokes recorder[¦kam·əl ¦stōks ri′kȯrd·ər] (engineering) A sunshine recorder in which the time scale is supplied by the motion of the sun and which has a spherical lens that burns an image of the sun upon a specially prepared card. |