You beat me by 6 minutes...
That dial likely is the most advanced amongst the commercial ones. I do not know whether there was an English version of it.
(I did not even come across the German version so far...)
There's a PDF file for the "Jiffy Calculator" that appears from time to time. I found it here. Can't say I've ever printed and put it together, but it looks like fun.
You could always print it larger. Might make it a little less handy but at least you'll be able to read it.I printed out that Jiffy calculator. It really is the cat's pajamas. But uh-oh, guess what? I'm 62 years old. I can't read that itty-bitty type.
That's definitely worth celebrating!! Use that F in great health!It's my living through a heart attack present to myself. I'm going to carry it with no cases and no cares. And shoot everything.
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