Newburgh Free Library - The vision impaired send a big thank you to Benjamin Franklin for inventing bifocal glasses. He made his announcement on May 23, 1785. Any day is a great
Frames Eyeglasses - Ben Franklin
Frames Eyeglasses - Ben Franklin
Benjamin Franklin Bifocals; eyeglasses for Scrooge or Santa. | The Eyewear Blog
Benjamin Franklin Glasses Style: An Iconic Look
History of Eyeglasses | Who Invented Glasses? – ReadingGlasses.com