Image: Science Museum London 1110529 nevit

Description: Photograph of a Klein bottle from Science Museum, London. Bennett's masterpiece, three Klein bottles inside each other. Of course "inside" is only true in the sense of being embedded in physical space, topologically they are to be regarded as completely separate.
Title: Science Museum London 1110529 nevit
Credit: Own work
Author: Nevit Dilmen (talk)
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