![](http://www.alamy.com/thumbs/6/AEB12E51-43C9-47C5-BC29-617DDC3D0BD4/2ACR69B.jpg)
Plate from 18th century encyclopedia showing illustrations of different fortification methods designed by
Size: 4256px × 7226px
Photo credit: © DAVID PARKER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: bastion, battle, defence, encyclopedia, fort, fortification, illustration, method, muller, mullers