red hat?

[Bryn M. Reeves]

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On 04/17/2012 08:36 AM, Hal wrote:
> Roger had the answer. The Romans used stale human URINE(Uric Acid)
> to was their togas and other things. No movies my friend.

More likely they were using stale urine for its high ammonia content.
Dried-on uric acid causes stains that are difficult to remove.

Regards,
Bryn.

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