Bastion
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A bastion is a structure projecting outward from the curtain wall of a fortification, most commonly angular in shape and positioned at the corners of the fort. The fully developed bastion consists of
Drawing of a bastion
One of the semi-circular bastions at Deal Castle, a Device Fort on the south coast of England
Aerial photograph of Neuf-Brisach, a fortress in use during the Napoleonic Wars
A bastion in the Komárno Fortress (Slovakia).
Bastille
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The Bastille was a medieval fortress in Paris, known as the Bastille Saint-Antoine. It played an important role in the internal conflicts of France and for most of its history was used as a state pris
Bastion
…acute, they cut the point, and place two demi-bastions, which make a tenaille, or re-entry angle. Their chief use is before a hornwork or crownwork. Bastille Battery tower…
East view of the Bastille, drawing c. 1790
Historical reconstruction showing the moat below the walls of Paris (left), the Bastille and the Porte Saint-Antoine (right) in 1420
A depiction of the Bastille and neighbouring Paris in 1575, showing the new bastions, the new Porte Saint-Antoine, the Arsenal complex and the open countryside beyond the city defences
The Bastille in 1647, illustrating the bastion, the stone abutment linking to the fortress and the new southern entrance built during the 1550s