History of the Peloponnesian War

Accordingly they took the work in land, and proceeded with it, though they had no iron tools, but carried stones just as they picked them up, and put them together, as they severally might happen to fit; while the mortar, wherever it was necessary to use any, for want of hods they carried on their back, stooping down in such a way that it might best he on, and clasping their hands behind them, to prevent its falling off.

Indeed in every way they made haste to anticipate the Lacedaemonians, by completing the most assailable points of tie work before they came to the rescue; for the greater part of the position was strong by nature, and had no need of fortifications.