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Show facts A55UT eYEuLasses fm Ancients Knew Nothing of Aids of H Vision Spectacles First Used at H'I End of Thirteenth Century. h .'H It la hard to real'lzo what our ances- ., UM tor did without the help of spectacles. ;''H Tho first mention of them seems to ,(il bo towards tha end of tho thirteenth h'H century, when convex spectacles were t HM invented it la supposed by Roger j H Bacon. Concavo glasses were Intro- duced soon afterward, but the Specta- J H clo Makers' company of Londnu wax if H not incorporated until 1G30. It seems h 'H that tho ancients knew nothing of J H these aids of vUIon; and it is more RB than likely that Homer and even Mil- n H ton might havo been spared their 'J H blindness, had thoy understood the use fl of powerful lenses. Eyeglasses came f n in much later, when the spectacles H fl were considered too cumbersome for c sH fashionable wear; and lorgnettes ' ffi camo oven later, when great ladles . t fflfc wished an ornamental case for their ; f, eyeglasses. Tho eyeglasses of today "i ; w flt on tho nose with a spring former- ' ' , ' ' tef ly they wore hold simply by the hand. , M |