At Falmouth he wrote his Laboratorium portabile and at Truro the Alphabetum minerale.
From 1818 to 1820, and again in 1826-29, he sat in the House of Commons as member for Truro.
Early in 1877 he was consecrated first bishop of Truro, and threw himself with characteristic vigour into the work of organizing the new diocese.
In 1882 he was senior proctor of the university, and the same year was made a canon of Truro and examining chaplain to its bishop. He was appointed a canon of St.
A memorial tablet, with an inscription by Archbishop Benson, is placed in the Cathedral at Truro; and Mr Passmore Edwards erected a public institute in his honour at Launceston, near his birthplace.