Samavrutthaprushtamaanam sookshmam golam

prasaadhya daarumayam sthagithaarka samaankitha

kaala bhogarekaadvaye paridhov

  Perfectly circular throughout and spherical, made of wood, marked with degrees and minutes, incorporated with lines both longitude and latitude at ends, is the golayantra. (Panchasiddhantika 14-23)]]>