The old masonry could be removed through the doorways of the aisles; and sometimes one of the end walls of either aisle was left unbuilt to the last, so that the masons could have free entrance for new, and exit for old, material.
"The Ground Plan of the English Parish Church"
A. Hamilton Thompson
Though it is rapidly passing from the stage of shanties and corrugated iron into that of handsome streets lined with tall brick houses, it is still rough and irregular, ill paved, ill lighted, with unbuilt spaces scattered about and good houses set down among hovels.
"Impressions of South Africa"
James Bryce
As the approaches to the domain were not yet completed, and it was necessary to level the road by which their Majesties would arrive, the Duke, in order to accomplish this object, incautiously caused a canal by which it was traversed, and over which the bridge was still unbuilt, to be dammed up; and this arrangement made, he directed his whole attention to the internal decorations of the castle.
"The Life of Marie de Medicis, Vol. 1 (of 3)"
Julia Pardoe