Article date: Jul 1969
Article title: Tricks, games and puzzles that employ matches as counters and line segments
Mathematical Games column? Y
Book: 9. Mathematical Circus
Chapter: 2. Matches
This data confirmed? yes
Notes
Peter Rowlett (27 August 2022):
Peter Rowlett initial guess (Uncertain)
Peter Rowlett (2 September 2022):
I have seen copies of Scientific American July 1969 and Matches in Mathematical Circus and these match.