Alfred Barry, The life and works of Sir Charles Barry (1867)
“ The clock-tower was the one feature of the building which gave the greatest trouble, and for which design after design was made and rejected. It was to be what its name implied: the clock was to be the one prominent feature, not a mere accessory—treated as an architectural ornament. For practical purposes it was to be raised on the highest story, and made of immense size; the ornamental character of the whole front required that the lower part of the tower should be faced with delicate panelling, and yet a “top-heavy” effect must be carefully avoided. ”
