Tag: Frederick E. Blaisdell

This Day, That Year – November 19

Zoya Siddiqui   Fri 19 Nov 2021    

American inventor Frederick E. Blaisdell patented the pencil on this day in 1895. Did you know that: • E.D. Barbour of Boston was awarded a patent for the first ‘calculator’ on this day in 1872• New York World published the […]

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