[3] Sir Nathaniel Barnaby's "Naval Development in the Century," page 23.
[4] Brown's "Early Annals of Greenock," page 136
[5] Williamson's "Memorials of James Watt," 1856.
[6] "The Gazetteer of Scotland," 1842, vol. i., page 709.
[7] "Journals of the House of Commons," 1792, page 357.
[8] Holmes' "Ancient and Modern Ships," page 152.
[9] Williamson's "Old Greenock," page 148.
[10] Campbell's "Historical Sketches of the Town and Harbour of Greenock," page 68.
[11] The following figures are taken for 1701 from "Chambers' Estimates," pages 68, 69, and 90; for 1793 from Lindsay's "History of Merchant Shipping"; for 1803 from "Porter's Progress of the Nation," page 626; and for 1901 from the "Statistical Abstract for the United Kingdom."
| 1701. | 1793. | 1803. | 1901. | |
| Number of ships | 3,281 | 16,079 | 20,893 | 20,258 |
| Tonnage | 261,222 | 1,540,145 | 2,167,863 | 15,357,052 |
| Seamen | 27,196 | 118,286 | — | 247,973 |