Hi Bob, thanks for your reply, and for your post at our own Forum to which we'll reply there later.
You're probably right about our "coiled card" theory being at best unlikely -- it's just something we considered
without ever having been hands-on with any of the punchboards, but felt compelled to mention since
our attempts to explain it in the previous thread were shot down while being totally misunderstood.
Your objections to the coiled card scenario at least "get" what we're describing and provide solid logical
reasons as to why it probably wouldn't work, and we're fine with that.
For the guys here who have more experience handling punchboards, what's the thickness of the thickest
you've seen? We've never seen photos or read a description of one described as more than about 5/8".
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