by Melody Amsel-Arieli Simple magnification devices, like water-filled spheres and rock crystal (quartz) “burning glasses” were known around the Mediterranean and across the Middle East in ancient times. These […]
Tag Archives: lenses
Guess What – July 2014 Round and Round We Go! by Bob Cahn – “The Primitive Man” To the cognoscenti (high eschelon collectors), this month’s GUESS WHAT may be familiarly […]