Quote:
Originally Posted by N2IXK
The "safety" part comes from being bonded to the tube face with the clear resin, forming the glass/resin/glass sandwich usually referred to as "safety glass".
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That was the same conclusion I came to. I have no expertise in that subject, it was just me sittin' under a tree thinkin', but it sure sounds logical.
A whole new area of research for us in the still-using-them-decades-after-any-sensible-design-engineer-would-have-assumed-they'd-be-gone game!