places of arms.
N—The ditches of the redoubts.
O—The tenaille.
P—The double caponier.
a—The traverses.
b—The sortie-passages.
c—Stairs.
d—Cut in the demi-lune to flank
the redoubt of the re-entering
place of arms.
places of arms.
N—The ditches of the redoubts.
O—The tenaille.
P—The double caponier.
a—The traverses.
b—The sortie-passages.
c—Stairs.
d—Cut in the demi-lune to flank
the redoubt of the re-entering
place of arms.