For over 8,000 years ago they have been in use in some form.
Ancient Egyptians used drawbridges over 4,000 years ago.
in 1243 :)
Drawbridges are usually found on old castles over the moat.
The Aztecs didn't build drawbridges. The Europeans did for their castles.
2 dollars
Castles over a moat.
Hydraulic systems may be used to open and close drawbridges.
Castles had drawbridges to allow some people inside, usually by providing a bridge to get over a moat or ditch. Drawbridges could be brought up to keep other people out, such as enemies, since they could not get over the moat or ditch without it.
Drawbridges.
A drawbridge (bascule bridge) is utilized where the low clearance of a bridge over a waterway would not allow some ships and boats to pass beneath it. This is most commonly seen on active waterways where a bridge is desirable for traffic, but taller/larger ships and boats MUST pass through. Alternatives to drawbridges include vertical lift bridges, where the middle section can be raised high enough to allow ships beneath it, and swing bridges that can pivot in the center. Counter-weighted drawbridges, however, are more common, because they were usually cheaper and easier to construct. In many cities with high vehicular traffic, or for interstate highways, drawbridges have been replaced by modern high-rise bridges.
swords, knights, guards, moats, drawbridges, attack weapons etc.
Bernard C. Winn has written: 'From \\' -- subject(s): Social life and customs, Childhood and youth, Biography 'San Francisco underfoot' -- subject(s): Pictorial works, Equipment and supplies, Manhole covers, Public utilities 'California drawbridges, 1853-1995' -- subject(s): Drawbridges, History 'Railways revisited' -- subject(s): Railroads
The Romans built spectacular castles. The castles were built for defense and protection from the enemy. Drawbridges kept the enemies from getting across the moat.
castles had walls, archers, and anything they can pour over the walls. moats & drawbridges as well-walls specially designed for archers hence the jagged pattern