Two forms auger used by the Romans in siege warfare to drill into the wall of a fortress.  From 'Poliorceticon sive de machinis tormentis telis' by Justus Lipsius (Joost Lips) (Antwerp, 1605). Engraving.
RMTXH37BTwo forms auger used by the Romans in siege warfare to drill into the wall of a fortress. From 'Poliorceticon sive de machinis tormentis telis' by Justus Lipsius (Joost Lips) (Antwerp, 1605). Engraving.