A flying machine, a fish-shaped hot air balloon, and a self-ventilating hat. From million dollar ideas to an amateur tinkering in their garden shed, The National Archives is filled with the history of inventions.

In this episode of On the Record at The National Archives, Olivia Gecseg and Katherine Howells look through some fascinating patents and registered designs. They discuss inventors and their methods and explore the fascinating historical contexts behind these technical creations.

Download the full episode transcript here.

Documents from The National Archives used in this episode: C 54/12890, BT 43/191/7185.

For more information about the records covered in this episode, look at our research guide to Intellectual property: registered designs 1839-1991. For help navigating our catalogue, you can watch our top-level tips on using Discovery.

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