Jonathan Nash Hearder

Jonathan Nash Hearder (24 December 1809 – 16 July 1876) was a British electrical engineer, inventor, and educator. He is best known for his work in developing alternative experimental procedures for use by the blind and vision impaired, and for his early innovation in the field of induction coils.

Jonathan Nash Hearder

Jonathan Nash Hearder (24 December 1809 – 16 July 1876) was a British electrical engineer, inventor, and educator. He is best known for his work in developing alternative experimental procedures for use by the blind and vision impaired, and for his early innovation in the field of induction coils.