Who invented the thermos flask

and then forgot to patent it in 1892?

INCORRECT

Joseph Swan

 

Thomas Edison was beaten by Britain's very own Joseph Swan. Swan's house in Gateshead was the first private house in the world to be lit up by light bulbs. ...from the 'Darkness' of the north came 'light' for London and then the world!

Image in the public domain.

Sir James Dewar

William Addis

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