05-18-2011, 09:16 AM
|
|
David Nova.kovich Jr.
Member
|
|
Join Date: Jan 2011
Location: 20 miles east of the Mistake
Posts: 2,269
|
|
Quote:
Originally Posted by steve B
Very simply. Digital readout calipers are down to $20 now, and under $100 for a really nice one. In the old days a micrometer would have been used. same as the paper mills do to ensure consistent quality.
Given a good sampling of known original cards it would be easy to establish a proper range of thickness just like there's a proper size range.
I have a caliper, and I could probably get a hard number based on my collection if anyones really interested.
Steve B
|
Thank You Steve.
|