Sector Clock
Clock, Royal Flying Corps
Herausgegeben: Aloysius, Dewayne Rocky
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A Sector clock was a round clock mounted on mahogany used at military airfields and observation posts in the United Kingdom to track the movements of enemy aircraft and control friendly aircraft.They were originally known as 'colour change clocks' when introduced by the Royal Flying Corps in 1917 to monitor the movements of German aircraft. They played a significant role in the Battle of Britain and continued to be used by the Royal Air Force and Royal Observer Corps until the cold war period and are now sought after by collectors of aeronautica.
