Search results
Results from the WOW.Com Content Network
Double portcullis gates at Petersberg Citadel, Erfurt. Portcullises fortified the entrances to many medieval castles, securely closing them off during times of attack or siege. Every portcullis was mounted in vertical grooves in the walls of the castle and could be raised or lowered quickly by using chains or ropes attached to an internal winch ...
English: The portcullis design is recorded as the work of Charles Barry in 1834 and is used on many Royal commissions such as on the Great Bell ("Big Ben"). As well as wide use of the portcullis design with varied supporting emblems, this specific version with the crown has been used by HM Customs and Excise "for some centuries."
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
The introduction of gunpowder made tall castle walls vulnerable to fire from heavy cannon, which prompted the trace italienne style from the 16th century. In these fortifications, the height of the curtain walls was reduced, and beyond the ditch, additional outworks such as ravelins and tenailles were added to protect the curtain walls from ...
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...
Beaumaris Castle in Wales was built in the late 13th century and is an example of concentric castles which developed in the late medieval period. Badajoz Castle of Topoľčany in Slovakia Medieval fortification refers to medieval military methods that cover the development of fortification construction and use in Europe , roughly from the fall ...
Image:Canada_blank_map.svg — Canada.; File:Blank US Map (states only).svg — United States (including Alaska and Hawaii). Each state is its own vector image, meaning coloring states individually is very easy.
A postern is a secondary door or gate in a fortification such as a city wall or castle curtain wall. Posterns were often located in a concealed location which allowed the occupants to come and go inconspicuously. In the event of a siege, a postern could act as a sally port, allowing defenders to make a sortie on the besiegers. Placed in a less ...