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    Re: Have mechanical clocks' time passed? [[OfPeripheral Interest]]
    From: J Drae
    Date: 2013 May 26, 14:19 -0700

    Greetings from J&Drae@telus.net. I am a long term lurker. Years ago I took a course on navigation that was intended for commercial fishermen, long on practice (good) but short on theory (bad). I was interested in the mathematics and developed the formulae from Napier's rules (I couldn't do it today). I now find the location of my backyard with a Mk IXa or a Mk 5.
    Off subject , but father was a geneticist with a flock of 3000 chickens to experiment with. Pecking was a problem. Increased limestone or oyster shell, clipped beaks and spectacles were all partially successful. The specs had aluminum frames attached to the beak, with ruby plastic lenses that tilted up when the head went down to find food, but interfered with vision when the head was up for pecking

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