Bifocal Lenses and Ben Franklin


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The Historians LogoThis week on The Historians Podcast, Dan Weaver says a 1768 letter to colonial leader Sir William Johnson casts doubt on the claim by some historians that Ben Franklin invented bifocal eyeglasses. Weaver is history columnist for the Amsterdam NY Recorder, president of Historic Amsterdam League and a trustee of Old Fort Johnson, one of Sir William’s homes.

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