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Hi, Marion, I would have trouble doing that on a Reitz rule as I don't often use them. I have to think pretty hard as I repeatedly reverse the rule. Mostmngwright
Hi, Marion, Just to try them out, I worked through the four ratios you listed using an FC 1/54 and a K&E 4091-3. The 4091-3 is one of the few American duplexmngwright
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Slide rules are THE ORIGINAL solar powered calculators. Try using one in the dark and you'll see I'm right, or not see as the case may be.
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- Dec 21, 1998
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