Complex sentence: In 1819 he went to England with a plan for engraving banknotes on steel, which ultimately proved a success, and was carried out by Perkins in partnership with the English engraver-publisher Charles Heath and his associate Gideon Fairman.
Split into simpler sentences: In 1819 he went to England with a plan for engraving banknotes on steel. Printing English notes ultimately proved a success and was carried out by Perkins in partnership with the English engraver-publisher Charles Heath and his associate Gideon Fairman.