posted on Dec, 26 2014 @ 08:51 AM
Excellent Thread and Manuscript!
"The earliest written records of lenses date to Ancient Greece, with Aristophanes' play The Clouds (424 BC) mentioning a burning-glass (a biconvex
lens used to focus the sun's rays to produce fire). Some scholars argue that the archeological evidence indicates that there was widespread use of
lenses in antiquity, spanning several millennia. Such lenses were used by artisans for fine work, and for authenticating seal impressions. The
writings of Pliny the Elder (23–79) show that burning-glasses were known to the Roman Empire, and mentions what is arguably the earliest written
reference to a corrective lens: Nero was said to watch the gladiatorial games using an emerald (presumably concave to correct for nearsightedness,
though the reference is vague). Both Pliny and Seneca the Younger (3 BC–65) described the magnifying effect of a glass globe filled with
Excavations at the Viking harbour town of Fröjel, Gotland, Sweden discovered in 1999 the rock crystal Visby lenses, produced by turning on pole
lathes at Fröjel in the 11th to 12th century, with an imaging quality comparable to that of 1950s aspheric lenses. The Viking lenses were capable of
concentrating enough sunlight to ignite fires.
Between the 11th and 13th century "reading stones" were invented. Often used by monks to assist in illuminating manuscripts, these were primitive
plano-convex lenses initially made by cutting a glass sphere in half. As the stones were experimented with, it was slowly understood that shallower
lenses magnified more effectively."
had access to both ground optics, and those made by simply cutting a hot spherical blob of glass in half to make two
magnifiers. The mysterious part isn't how they did what they did.
I'm sure this text is loaded with clues about how the latest Druids/ earliest Christians in the area transitioned the iconography from one religious
paradigm to the other.
Star and Flag!
edit on 26-12-2014 by EzekielsWheel because: duhrrrr
edit on 26-12-2014 by EzekielsWheel because:
edit on 26-12-2014 by EzekielsWheel because: ....ehhhh DUHHrrrr!!!
edit on 26-12-2014 by EzekielsWheel
because: **drooling stupidity**