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Originally Posted by David
OK, but was that also true 3-400 years ago when this blade was supposedly forged?
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I think that it depended on the region. There's a book floating around title The Origin of the Arabic Numerals. I can't remember the author but it had some nice plates of examples of early Arabic numeral use in the Muslim East, the Muslim West, and the Christian West. I have it but can't find it on my shelves this morning :-(
In any case, there were definitely early left right uses that he recorded in his book. I'll give a good look when I get home from work. It's around here somewhere...