Article date: Dec 1968
Article title: The world of the Möbius strip: endless, edgeless and one-sided
Mathematical Games column? Y
Book: 8. Mathematical Magic Show
Chapter: 9. Möbius Bands
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Uncertain)
Peter Rowlett (30 October 2023):
I have seen this chapter and column side-by-side and they match.