Friday, August 05, 2011

OZ

Brattleboro, Vermont

Or, perhaps it once said "ON" or maybe even "NO" when installed somewhere else.
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2 comments:

Dennis said...

I haven't verified it , but it looks like N and Z form a symmetry group under 90 deg rotations

10:51 AM
Carl Weese said...

Dennis, depending on the font...

11:33 AM

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