The vacuum flask is a staple of British picnics, building sites and school lunches. Its origins lie in a Scottish laboratory, not a kitchen.
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The vacuum flask is a staple of British picnics, building sites and school lunches. Its origins lie in a Scottish laboratory, not a kitchen.
Anoniem stemmen is mogelijk. Registreer voor een profiel en score.
Which Hungarian-British inventor created the ballpoint pen, patenting his design in 1938?
🗳 26 votes
