Lot 135
A wooden adjustable catapult designed for and used in the 1955 movie "The Dam Busters" by Michael Redgrave (playing Sir Barnes Wallis). The catapult represents that used by Wallis in his 1941 April Bank holiday garden marble experiments, to prototype the concept of the bouncing bomb. The catapult raised on triform base and mounted on metal collar with tripod supports. The catapult firing rail adjustable in angle by a wing nut, having a projectile receptical attached to elastic cord running along the top rail of the device. The rail fitted a trigger to release the projectile. 138cm h, catapult rail 93cm l  £2000-3000