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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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