On Wednesday 25th March 2026, a collection of Sir Barnes Wallis’, the inventor of the Bouncing Bomb and many other things, will do up for auction at Denhams in West Sussex, England. Leo Denham kindly invited us down to explore this incredible collection and get a closer look at some of the increibly important historical artifacts that Wallis kept in his personal collection.

To find out more about the collection, visit the Denhams website at https://denhams.com/ where you can see all the lots and how you can bid on them.

Full cataloges of the collection are aviable for £10.

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0:00 Introduction to the Auction

1:36 Stunning Artworks on Display

3:09 The Iconic Signed Dams Photos

4:58 Family Moments Captured

7:12 Furniture and Personal Items

9:12 The Slingshot 10:22 Presentation Slides

11:17 Hidden Treasures in Old Books

14:28 The Swallow and Wild Goose Models

17:19 NASA’s Insights Shared

19:10 Personal Mementos and Memories

21:19 The Marbles: Historical Significance

21:43 Auction Details and How to Participate

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