[71] See vol ii., p. 119.
[72] Old John Bryant's statement in 1858.
[73] Clark's recollections in 1869, when he was eighty-three years old, and resided at Redruth.
[74] Captain Nicholas Vivian was a schoolfellow and intimate friend of Trevithick's; he resided at Camborne in 1858, when he gave his recollections.
[75] William Pooly worked the Dolcoath 76-inch engine in 1869; his recollections were given in the old engine-house, on the spot once occupied by Watt and his 63-inch great double engine.
[76] Smiles speaks of this as Bonze's.
[77] Three Wests, all skilful mechanical engineers, were employed at that time in Dolcoath, all of them known to the writer, who thinks the double-beat valve was the handiwork of John West, not related to Trevithick's partner.
[78] See Trevithick's letter, February 18th, 1806, vol. ii., p. 143.
[79] See vol. i., p. 25.
[80] See vol. i., p. 5.