HEARDER

Jonathan Nash ( eld. son of Jonathan Hearder ). b. Plymouth 24 Dec. 1809; practical chemist and electrician at Plymouth; devised improvements with induction coil and application of electricity to medical purposes; constructed an electro-dynamic coil 1846; patented improvements in submarine telegraph cables 1858; a popular lecturer in West of England; electrician to South Devon hospital; D.Sc., Ph.D., F.C.S.; became blind in 1831 but continued his researches in electricity; author of Guide to the fishing of Plymouth and neighbourhood 18—. d. 13 Prince sq. Plymouth 16 July 1876. Boase and Courtney’s Bibl. Cornub. 225, 1225.