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    Re: Traditional navigation by slide rule
    From: Paul Hirose
    Date: 2016 Jan 20, 20:41 -0800

    Regarding decimal vs. sexagesimal, the K&E 4080 family may be a good
    basis for comparison since it was made in both flavors. The exemplars
    below were manufactured after K&E totally changed their model number
    system. Nevertheless, they are siblings from the 4080 family and have
    the final scale arrangement. (K&E changed the scales several times over
    the years.)
    
    http://www.sliderulemuseum.com/KE/KE_68-1210_LogLogDeciTrig_sn930120_GiftOfEdwardWright.jpg
    
    http://www.sliderulemuseum.com/KE/KE_68-1318_LogLogDuplexTrig_sn360416.jpg
    
    
    On 2016-01-20 12:12, Rommel John Miller wrote:
    > There was a website where I was able to download all the scales of
    any slide in pdf format.
    
    Maybe this page at the International Slide Rule Museum?
    http://www.sliderulemuseum.com/SR_Scales.htm
    
    
    Here's a Pickett N3 slide rule simulator. I think the N3 is the best of
    the big Pickett rules. I own an N4 and N803 but wish I had an N3!
    
    http://www.antiquark.com/sliderule/sim/n3t/virtual-n3-t.html
    
    The simulator may be downloaded to your computer and run off-line. There
    are other slide rule choices available, but I think all are Pickett rules.
    
    I don't know how hard it is to do one of those simulators, but it may be
    a good way to prototype the navigation slide rule. Some things you don't
    notice until you use a rule.
    

       
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