First of all, lose the caps lock.
The red in barn paint comes from the availability of iron oxide pigment at the time. try this: "Barns were originally painted red because back in pioneer days there wasn't much choice.
Farmers used to make their own mixture, consisting of a nauseating blend of skim milk, lime, linseed oil, and iron oxide, better known as rust.
"Hmm," said the anonymous inventor of this concoction, "this is not the milkshake I hoped it would be. But it might make a pretty good paint."
It was even so. The mixture hardened quickly and wore well. The red color was a side product of the iron oxide.
After the advent of Sears Roebuck and modern factory-mixed paint, barns stayed red in order not to disappoint the tourists." (I borrowed this from the web, to make sure I remembered it right. *grins*
Thanks for asking, and Bob doesn't answer too many questions here anymore... No one here but us chickens...
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