Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c8.5
Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c8.5
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c8.5
*Figure I, B*, is another instrument for the purpose of determining the exact hour of the day by the shadow of a gnomon, which stands perpendicular to and in the center of a flat circular stone, supported in an oblique situation by means of four upright stones and a cross-piece; so that the shadow of the gnomon, which is a perpendicular iron rod, is thrown upon the divisions of the circle described on the face of the flat, circular stone.