View Sketch Benjamin Franklin Bifocals Images. Benjamin franklin and the invention of bifocal lenses history of optometry: Episode 8 albeit there are many that believe benjamin franklin invented the.

The Politician from www.college-optometrists.org

40 fascinating benjamin franklin facts. His first invention was the franklin stove, which was designed to require less fuel while providing more heat. Benjamin franklin portrait on $100 banknote.

Benjamin franklin invented the lightning rod, the iron furnace stove, bifocal glasses, and odometer, just to name a few of his accomplishments.

His experiment, using a kite. Benjamin franklin type frame & bifocals. Anyone tired of switching between two pairs of glasses understands why franklin developed bifocals that could be used for both distance and reading. It presented benjamin franklin as the inventor of bifocals.