A drawbridge or draw-bridge is a type of movable bridge typically associated with
the entrance ... In France, working drawbridges survive at a number of châteaux,
including the Château du ...
The type of movable bridge that most people think of as a draw bridge is similar
to ... The modern era of movable bridge construction began in the mid-nineteenth
.... Additional locks can secure the leaves in their open position so wind does not
A drawbridge is a form of bridge that can be moved, lifted or otherwise taken out
of the way so no one can ... Modern drawbridges usually serve two functions.
www.ask.com/youtube?q=How Does a Modern Drawbridge Work&v=4bWMpB2yf7w
Mar 9, 2007 ... We've all been stuck in traffic waiting for a drawbridge. Have you ever stopped to
wonder what it takes to move a bridge? Learn more in this ...
A draw bridge (or the technical term: bascule bridge) is a moveable bridge. ...
today is the old ones used gear mechanisms, and modern ones use hydraulics.
Modern drawbridges across rivers, canals, the entrances of docks, etc., are
generally made to open vertically, and the movable portion is called a bascule, ...
Aug 6, 2013 ... [fototag id=”Drawbridge”]. Classical, medieval drawbridges worked via the simple
principle of counterweight, with large wood and metal bridges ...
In some of the modern day bridges the centre shaft lifts the bridge clear of the pier
... downwards inside the structure and does not become submerged in water.
One of the last stages saw it incorporated into the drawbridge. ... Not many actual
portcullis survive in modern times because of the material used in their ...
The very modern Jan Schaefferbrug from Java Eiland in the IJ to Amsterdam. ....
Brug, which i obstinately refused to photograph because every other tourist does
so. ... And a very modern drawbridge, the Latjgesbrug, also near the
Waterlooplein ... piece, illustrating how all these interconnected parts work with