. Bulletin - United States National Museum. Science. Figure 9.—Antk\thera Machine. Partul Recon- struction BY Theophanidis (scc footnote 16). arc more akin to those current in China than in the West. Tlie relevant portions of text are as follows (italics supplied): The circle of the horizon is midway of the sphere. .Vs covered with a casing and as left uncovered, it is the sphere surrounded by Lokaloka [the mountain range which formed the boundary of the universe in pin-anic geography]. By the application of water is made ascertainment of the revolution of time. One may construct a sphere-inst
. Bulletin - United States National Museum. Science. Figure 9.—Antk\thera Machine. Partul Recon- struction BY Theophanidis (scc footnote 16). arc more akin to those current in China than in the West. Tlie relevant portions of text are as follows (italics supplied): The circle of the horizon is midway of the sphere. .Vs covered with a casing and as left uncovered, it is the sphere surrounded by Lokaloka [the mountain range which formed the boundary of the universe in pin-anic geography]. By the application of water is made ascertainment of the revolution of time. One may construct a sphere-instrument combined with quicksilver: this is a mystery; if plainly described, it would be generally intelligible in the world. Therefore let the supreme sphere be constructed according to the instruction of the preceptor [guru]. In each suc- cessive age this construction, having become lost, is, by the Sun's favour, again revealed to some one or other, at his pleasure. So also, one should construct instruments in order to ascertain time. When quite alone, one should apply quicksilver to the wonder-causing instrument. By the gnomon, staff, arc, wheel, instruments for taking the shadow of various kinds. ... By water-instruments, the vessel, bs' the peacock, man, monkey, and by stringed sand-receptacles one may determine time accurately. Quicksilver-holes, water, and cords, and oil and water, mercury and sand are used in these: these applications, too, arc difficult. Surya Siddhanta, xiii, 15-22, E. Burgess' translation. New Haven, i860. .\ self-revolving instrument [or swayanvaha \anlra]: Make a wheel of light wood and in its circumference put hollow spokes all having bores of the same diameter, and let them be placed at equal distances from each other; and let them also be placed at an angle verging somewhat from the perpendicular: then half fill these hollow spokes with mercury; the wheel thus filled will, when placed on an a.\is supported by two posts, revolve of itself. Or sco
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