[31] Lean's 'Historical Statement of the Steam-Engine,' p. 7.

[32] Lean's 'Historical Statement of the Steam-Engine,' p. 7.

[33] Belonging to Williams and Co.

[34] Still working in Harvey's foundry at Hayle, 1869.

[35] Recollections of Captain H. A. Artha, Penzance, 1870.

[36] Captain Artha became the resident engineer at the Real del Monte mines in Mexico; Captain Samuel Grose, one of the first Cornish mine engineers; and Mr. Burral, the engineer of a department at the engine-works of Messrs. Harvey and Co.

[37] Lean's 'Historical Account of the Steam-Engine in Cornwall,' pp. 11, 32, 36.

[38] See Trevithick's letter, January, 1813, vol. ii., p. 55.

[39] Portion of a letter written at Penzance, 8th February, 1853.

[40] Mr. John Williams had the remarkable dream, many hours before the event, enabling him to describe the particulars of the assassination of Perceval in 1812.