I don't know about drill rods specifically but many fascinating "curiosities" reside in the Flinders Petrie Museum, London, including evidence of rotating disc stone cutting in ancient Egypt. Such images are difficult to find.
As to the Nag Hammadi 'Library', one doesn't need to read a whole lot of it to see why it is not included in the Bible; endless passages about archons and Gnostic intellectual ideas. The scripts are generally dated to the mid 2nd Century or later; many scholars believe that they are based upon earlier manuscripts but the evidence is thin.
Noah’s Nightly Newsletter
https://truthlion.com/noahs-nightly-newsletter-3-5-23/
* I’m kicking off the Newsletter tonight with a new favorite song on my playlist. (FIRM FOUNDATION – Cody Carnes)
* DNC Accused Of Rigging Primary For Biden
* RINO Governor Not Challenging Trump For Nomination
* Ukrainian Pilots Training in the United States?
* Disney Goes Full Woke AGAIN With Peter Pan
* Joe Rogan: “It’s F*cking Wild That We Follow Bill Gates’ Advice on Matters of Public Health!”
* WARNING: Bill Gates Wants Your Ribeye Steak To Have mRNA!
* Invisibility Cloak Already Created
* DANGEROUS: So Who Is YHWH?
* Have You Seen The “WeThePeople” Bible?
* Why Does Bill Maher Think President Trump Will Send Him To GITMO?
* President Trump’s 2023 CPAC Speech – FULL SPEECH
* Prepare: “Revival Comes!”
* Kari Lake: “Someone Came To My Door and Tried To Bribe Me”
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Paul's writings, i.e., multiple books of the New Testament, give plenty of love to the Gnostic ideas, without mentioning them by name.
The Apostle made it clear he was speaking to two audiences: The "Called" who sought salvation following the rules, and the "Chosen," aka pneumatics (spiritualist followers of Christ) who enjoyed a more direct connection with God. (sauce: Elaine Pagels. The Gnostic Paul. 1992)
Christopher Dunn, in his last book, analyzed the heck out of an available core sample: pitch, depth, etc. of cuts. But no one has been able to replicate the power required and hardness of the cutter point that it would have taken to produce those slugs. Even in my own shop, which can make most anything, it would take awhile to build a setup that could knarf granite like that. I’m forever fascinated by the question of where the Egypts took/hid their tools?