George Washington's accent

[Sam Clements]

Sorry if this one's been talked about before.  

Over at the Straight Dope Message Board, this one comes up from time to time.

What would George Washington's speech have sounded like at the time?  Can you relate it to anything comparable today?  Is it the "Southern Virginia" we know today, or is it closer to English from the period, whatever that may have been.  

Sam Clements

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