Klein bottle, 1995 Science Museum Group Collection

Three Klein bottles in a column which when cut form a pair of single -twist Mobius strips.

Klein bottle - Wikipedia

Klein bottle, 1995-1996. Science Museum Group Collection

225 Klein Bottle Stock Photos, High-Res Pictures, and Images - Getty Images

Klein bottle, 1995 Science Museum Group Collection

Variation on the Klein bottle, 1995.

Klein bottle, 1995. Science Museum Group Collection

Klein bottle, 1995 Science Museum Group Collection

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Klein bottle, 1995. Science Museum Group Collection

Image of Single Surface Vessels Klein bottle, 1995-1996