mediumaevum:Ladders were used by those attacking a castle to climb over the walls and fight the cast
mediumaevum:Ladders were used by those attacking a castle to climb over the walls and fight the castle inhabitants within the castle walls. However, ladders had the disadvantage of leaving the man climbing the ladder subject to attack by arrow, boiling water or oil, or by being thrown to the ground if the ladder was pushed away from the wall. To prevent this type of attack the Belfry or Siege Tower was developed.The Belfry was a large structure on wheels that could be pushed up to the castle walls. Ladders inside the Belfry allowed attackers to climb to the top under cover and get into the castle. Castle owners prevented this type of attack by piling earth up against the castle walls so that the Belfry, which was on wheels, could not be pushed near to the castle.image (x) -- source link
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