Marbles used in the invention of the bouncing bomb are among a number of personal items of Sir Barnes Wallis put up for ...
The world’s most expensive marbles used to plan the Dambusters raid have sold for $19,748. Bouncing-bomb creator Barnes Wallis used the two glass balls in his back garden to calculate trajectory.
The pair of binoculars are particularly special because Sir Barnes Wallis eventually gave them to Sir Michael Redgrave to use in the making of the 1955 film The Dam Busters, part of which was filmed ...
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