[52] Charnock's "History of Marine Architecture," vol. iii., page 245.
[53] The "Greenock Telegraph," May 4th, 1849.
[54] Sir Nathaniel Barnaby's "Naval Development of the Century," page 140.
[55] Sennett and Oram's "Marine Steam Engine," page 3.
[56] Fincham's "History of Marine Construction," page 332.
[57] Ibid., page 344.
[58] Sir Nathaniel Barnaby's "Naval Development of the Nineteenth Century," page 113.
[59] Sennett and Oram's "Marine Steam Engine," page 10.
[60] "Proceedings of the Institution of Naval Architects," vol. xxx., page 278.
[61] "Proceedings of the Institution of Naval Architects," vol. xxx., page 287.