[1] Having gained a travelling scholarship he spent more than four years in Europe, Asia Minor, Syria and Egypt, paying great attention to mineralogy and mining, examining coal-fields, metalliferous mines and salt-works, and making acquaintance with many distinguished geologists and mineralogists.
One son, Herbert Warington Smyth, was also a mining engineer, a traveller, and a Geological Survey adviser to the government of Siam.
[2] He is commemorated by a wall plaque in Truro Cathedral, where he had been a founding member of the building committee responsible for its construction.
[2] He investigated the Roman gold mine at Dolaucothi and published a short paper on his observations in 1846 in Memoirs of the Geological Survey.
He became president of the Geological Society of London in 1866–1868, and in 1879 he was chairman of a Royal Commission appointed to inquire into coal mine accidents, the work in connection with which continued until 1886.