The original bomb sight used in the Dambusters raids during the Second World War sold for auction on Tuesday night for £41,500.
Bomb aimer John Fort used the sight to deliver the decisive ‘bouncing bomb’ that breached the Mohne Dam in May 1943.
It featured in a collection of memorabilia that sold at auction at J P Humbert Auctioneers in Towcester for a total of £75,000.
Some of the actual marbles that Dr Barnes Wallis used to design his bouncing bomb realised £27,200.
Humberts also sold the map light and parallelogram used by Vivian Nicholson, the flight navigator for £2,700 and £2,650 respectively.
The leather collar box once belonging to Wing Commander Guy Gibson sold for £750.
Commenting on the sale, auctioneer Jonathan Humbert said: “The overwhelming interest we have had in these items is testament to the bravery and heroism of the the men who risked their lives in Operation Chastice.
“These historical items, much like the story of The Dambusters, have really captured the imagination and I am delighted that the auction has met with such resounding success.”
Remnants of the Perspex bomb-aimers bubble through which only-surviving ‘Dambuster’ George ‘Johnny’ Johnson aimed and dropped a bouncing bomb on the Sorpe dam sold for £520 which is being donated by the vendor and auctioneers ‘fee free’ to the RAF Bomber Command Memorial Fund.
The items all sold to private buyers.