The Universal System of Astronomy, Part Two

Knowledge removes [uncertainty] for the sake of ease of use. By touching the foremost part of the practice, it is difficult to prevent [error] This likely refers to the precision required in manual observation...

For that reason, the two indicators situated in the north, in the group related to the circumference original: paridhi... the hands are held there... the lines situated above at the desired location in the drawn circle original: kārṣamaṇḍalake; likely a circle marked with ink or soot. The gnomon original: kīla; a central pin or rod used to cast a shadow or act as a pivot in the circle should be equal to the radius original: vyāsārddha.

Here is the layout: the gnomon is at the center of this circle. From the region between the circular lines to the white space, on both sides, East and West... In this grasping of the eclipse original: dharaṇa; refers to the "seizing" of the sun or moon, the appearance of the Sun in the uneven region... in this place of the eclipse, whatever is followed, there is space original: ākāśa on both sides.

The middle part becomes black/inked... refined by the principle of the central axis original: merudaṇḍa; literally "the staff of Meru," referring to the vertical axis of the instrument or the world, the state of pervasiveness exists there. At the two ends of the line, joined with calculation original: kalpana, below the first position at a distance of six parts, below the cross-hair original: svastika...

The calculation of the middle... elevated... he explains the method of knowledge. In this wheel, which is five-fold, the center of the solar disk original: sūryavimbakendra should be situated as it is in this wheel/leaf...