[11] See Trevithick's letter, 26th March, 1812, chap. xv.
[12] See rough draft, Trevithick's letter, 7th December, 1812, chap. xvii.
[13] Captain Samuel Grote's recollections, 1858.
[14] Recollections of Captain H. A. Artha, Penzance, 1868.
[15] Recollections of Henry Vivian, Harvey and Co.'s Works, 1869.
[16] Recollections of Captain H. A. Artha, Penzance, 1869.
[17] Recollections of Banfield, foreman with Harvey and Co., Penzance, 1869.
[18] Recollections of Mr. Warren, master ship-builder, Harvey and Co., 1869.
[19] Recollections of Mr. Burral, jun., master boiler-maker, Harvey and Co., 1869.
[20] Recollections of Mr. William H. Pape, Bridgenorth, 13th June, 1869.