Hi David,
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Good to hear from you, and many thanks for the concise approach. I will be very careful not to over-torque those jam nuts and temple bolts. I'm surprised they're not hardened.
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I will report back when I have the time to devote to this. Might be a few days. Alas, like most hobbyists, work summons me. As the main character in the bleak Italian comedy, "The Working Class Goes to Heaven," says, "work is the curse of the working classes."
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Greg