The Astronomical Observatories of Jai Singh c6.s1.t1.37

c6.s1.t1.37

(c) The south-west quadrant in most instruments exhibits a sort of yearly calendar. The horizontal and vertical radii are divided into six equal divisions¹ (figures 7, 8). From the points of division arcs are described and the names or numbers (figure 11) of the signs are written in the spaces, six on the horizontal radius and six on the vertical, in the following order:—