John Harrison.

John Harrison. © National Maritime Museum, London

Repro ID: PU2851

Description: The full title of this engraving is 'John Harrison. From an engraving by Tassaert, published in 1768, after a painting by King. Under the superintendance of the Society for the Diffusion of Useful Knowledge.' After many years of experimentation, Harrison's H4 chronometer finally solved the longtitude question.

Creator: King (artist): Tassaert (engraver): Holl, W. (engraver): Orr, W.S. & Co (publishers)

Date: 1768