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JUNTO
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TVM DFY Chiro - Benjamin Franklin, credited with the creation of bifocal glasses. Franklin called them the "double spectacles" and said, "serving for distant objects as well as near ones, make my
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Image of BIFOCALS, 1760s. - Benjamin Franklin's Sketch For Bifocal Eyeglasses, Which He Is Credited With Inventing. From Granger - Historical Picture Archive
Cache of Benjamin Franklin's Original Manuscripts—Doodles and All—Gets Digitized | Smart News| Smithsonian Magazine
Spencer Optical - Solid Gold Spectacles w Ben Franklin Type Bifocal Lenses circa 1850A fellow asked me recently about the first appearance of octagonal eyeglasses. He had thought they were an aesthetic
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Ben Franklin Glasses - Ben Franklin Spectacles | Benjamin Franklin
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Ben Franklin's inventions: bifocals
Bifocal Glasses Poster, Scientific Illustration, School
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Bifocals - The Amazing Adventures of Ben Franklin - TIME
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Ocular Device | National Treasure Wiki | Fandom
