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Subway refuses to answer my questions about whether it’s an International Footlong or a US Survey Footlong. A milligram of sandwich is at stake!
Alt text:
Subway refuses to answer my questions about whether it’s an International Footlong or a US Survey Footlong. A milligram of sandwich is at stake!
Shout out to Carl Edvard Johansson for fixing this problem by defining the industrial inch at exactly 25.4 mm.