 The Church performs baptisms for the dead in these fonts.The biblical description that the bowl has a diameter of 10 cubits and a circumference of 30 cubits suggest that in the construction of the basin, was approximated with the integer value 3.This is consistent with the practice in Babylonian mathematics at the time (6th century BC), but it has given rise to debate within rabbinical Judaism from an early period due to the concern that the biblical text might here be inaccurate.