I've just been reading about the BV 237;
it looks like there's something of a pattern yer man Vogt's aeroplanes.
(
Enzyme is powered by sunlight, Sat 30 Dec 2017, 12:44,
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They are rational, yet counter-intuitive.
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FeralCatMan Unusual disease collector., Sat 30 Dec 2017, 19:35,
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