Topic index "Q": The Shroud of Turin blog

TOPIC INDEX "Q"
Copyright © Stephen E. Jones[1]

This is "Topic index `Q'" of my index to topics that I have posted to this my The Shroud of Turin blog. For information on this series, see "`A' and Index"

[Right (Enlarge): I found in [Prof. Nicholas] Allen's book, "The Turin Shroud and the Crystal Lens," where he indirectly admitted that he had used synthetic quartz[AN98, 94, 96-97, 207, 240, etc.]. And:

"Through the kindness of my institution I was made a loan with which I purchased a blank piece of high grade quartz. After many months of waiting, a blank sent from Switzerland, finally arrived in South Africa, where ... it was ground and polished into a bi-convex lens"(my emphasis)[AN98, 100].]

That is fused quartz, made from quartz sand heated to ~2,000°C in a modern furnace, not quartz rock crystal, the latter being what was only available in the Middle Ages to fashion a quartz lens. And because "Glass screened out the vital ultraviolet wavelengths in sunlight that had an effect on silver nitrate [and] the only substance which does allow the transmission of UV light, is optical quality rock-crystal (quartz)[AN98, 86], therefore Allen's `medieval photography' theory fails through lack of experimental support[01Sep16 & 16Jun19]. Allen's theory also fails because, as can be seen in his shroud man photo on the front of his book above, it is strongly directional from the overhead passage of the sun[20Jan24], but the Shroudman's image is non-directional[29Oct16].

The above photo is from a future "Quartz lens 01Sep16".]

[Index] [Previous "P"] [Next "R"]

---

Quartz lens 13Jul07.

---

Notes:
1. This post is copyright. I grant permission to extract or quote from any part of it (but not the whole post), provided the extract or quote includes a reference citing my name, its title, its date, and a hyperlink back to this page. [return]

Bibliography
AN98. Allen, N.P.L., 1998, "The Turin Shroud and the Crystal Lens: Testament to a Lost Technology," Empowerment Technologies: Port Elizabeth, South Africa.

Posted 3 May 2024. Updated 4 May 2024.