Note 13 — PART I
Reading edition
The comparison of the arch above the head of the Heavenly King to a wrought helmet or a regal diadem, may have been suggested by the picturesque and chivalrous custom of the Irish kings recorded in the ancient Irish poem upon the Fair of Carman, whence it appears that their head-dress on ordinary state occasions was a wrought helmet, the royal crown being reserved for the day of battle.