Thanks Dave, I have been searching the Parker Story for the data Dean eluded to but have yet to find it.
Because of your reply, I now realize the obvious, that an ounce of lead shot of a particular weight has a defined approximate pellet count. And, I already have the count listed in a FAQ table about shot size.
Now, it will be an easy task to do a computer program for the FAQ page to take the information found in a Parker letter and compute the "choke size". I don't know why this was not obvious to me before, this is a real head slap moment for me! Thanks again!
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