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Photo of the Welcome To New Hampshire sign

Welcome To New Hampshire

Gerald Thurman found it on , Cornish, New Hampshire

Gerald Thurman, both sides are 21 way so far

Gerald Thurman brings another mathematically significant roadsign, this one from a rather historic location. This sign is right on the east side of the historic Cornish-Windsor Covered Bridge. It is a stunning covered bridge. There is some little type on the bottom of this sign. Under close scrutiny and with input from experts, it was determined that that read "NATL SITE". No numbers contained to disqualify this sign. The math here uses the great "double square" rule to find it's solution.

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Where

Cornish, New HampshireSee it on the map

The numbers on this sign

Three numbers.

  • 12
  • 16
  • 10

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