Note 504 — Chapter XLVIII
Reading edition
"General Bertrand, the Emperor's aide-de-camp, was the officer who executed this splendid work. He was one of the best engineer officers that France could boast of since the days of Vauban. The exhaustless arsenal of Vienna had supplied us with a profusion of timber, and also with cordage, iron, and with forty engines to drive the piles in."—Savary, tom. ii., part ii., p. 93.