Crownhill Fort
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Crownhill Fort is a Royal Commission Fort built in the 1860s in Crownhill as part of Lord Palmerston's ring of land defences for Plymouth. Restored by the Landmark Trust, it is now home to several sma
The entrance to the fort
The north caponier showing the embrasures for heavy guns and the loopholes for small arms on the upper and lower levels.
Embrasure
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An embrasure is the opening in a battlement between two raised solid portions. Alternatively, an embrasure can be a space hollowed out throughout the thickness of a wall by the establishment of a bay.
Embrasure with three angles of fire, Keoti Fort, India
A loophole or inverted keyhole embrasure, allowing both arrow fire (through the arrowslit at the top) and small cannon fire through the circular openings, Fort-la-Latte, France
Embrasure of Chinese wall
Embrasures at Mdina, Malta