2240/Historical Note

Historical Note on $2240$ (Two Thousand, Two Hundred and Forty)

There are $2240$ pounds (avoirdupois) in a (long) ton.


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $2240$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $2240$
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