X-Nico

2 unusual facts about John Isaac Hawkins


Charles Willson Peale

In 1802, John Isaac Hawkins patented the second official physiognotrace, a mechanical drawing device, and partnered with Peale to market it to prospective buyers.

Mechanical pencil

The first patent for a refillable pencil with lead-propelling mechanism was issued to Sampson Mordan and John Isaac Hawkins in Britain in 1822.



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