Original Message:   Measuring the perforation

Jamey thanks, The larger perforation is .50 cm and the smaller one about .33 but I don't know how to measure width or tapering of the channel itself. How do you do it? With silly putty? I recall that when Mark Kenoyer lectured at the Bead Museum about Indus Valley beads he spoke about a method he had for measuring the channels of ancient stone beads. How do you suggest we measure? TIA, Paula Copyright 2024 All rights reserved by Bead Collector Network and its users

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