the name of an astronomical instrument, invented by Mr Whiston, to exhibit the motion and phenomena of the planets, both primary and secondary. It is built upon the Copernican system, and for that reason called by his name.

COPHTS, Copti, or Copts, a name given to such of the Christians of Egypt as are of the sect of Jacobites:

The Copts have a patriarch, who is styled the patriarch of Alexandria, having eleven or twelve bishops under him, but no archbishop. The rest of the clergy, whether secular or regular, are of the order of St Anthony, St Paul, and St Macarius, each of whom have their monasteries. The Copts have seven sacraments, viz., baptism, the eucharist, confirmation, ordination, faith, fasting, and prayer.