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Interesting question Billi, especially back in the days of far fewer mirrors, and then maybe not of the quality that ours are. I wondered that too!
Golly Caleb, those are good points to ponder - thank you.
I haven't got any further, not because I'm not interested, but because I have had a series of days with outings or visitors and my reading time seems to have disappeared. I hope to get back to it this coming week.
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