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An error appeared in this paper when it was published in Proceedings of the Institution of Civil Engineers – Maritime Engineering 169(1): 15–28, http://dx.doi.org/10.1680/jmaen.15.00002.
In Table 1, the units of measurement in the fourth column should be lb/ft2, not kN/m2 as printed. The correct table is as follows.
Table 1.
Pressure readings from Skerryvore Lighthouse in 1848 (Stevenson, 1848)
| Date | Remarks | No. of instrument | Pressure: lb/ft2 | Pressure: kN/m2 |
|---|---|---|---|---|
| Jan. 7 | Heavy sea | I | 1714 | 82 |
| II | 4182 | 200 | ||
| Jan. 12 | Very heavy swell | I | 2856 | 137 |
| II | 5032 | 241 | ||
| Jan. 16 | Heavy ground swell | I | 2856 | 137 |
| II | 4752 | 228 | ||
| Jan. 22 | A good deal of sea | I | 2856 | 137 |
| II | 5323 | 255 | ||
| Jan. 28 | Heavy ground swell | I | 2627 | 126 |
| II | 4562 | 218 | ||
| Feb. 5 | Fresh gales | I | 856 | 41 |
| II | 3042 | 146 | ||
| Feb. 21 | I | 1827 | 87 | |
| II | 3422 | 164 | ||
| Feb. 24 | Fresh breezes | I | 1256 | 60 |
| II | 3802 | 182 |
| Date | Remarks | No. of instrument | Pressure: lb/ft2 | Pressure: kN/m2 |
|---|---|---|---|---|
| Jan. 7 | Heavy sea | I | 1714 | 82 |
| II | 4182 | 200 | ||
| Jan. 12 | Very heavy swell | I | 2856 | 137 |
| II | 5032 | 241 | ||
| Jan. 16 | Heavy ground swell | I | 2856 | 137 |
| II | 4752 | 228 | ||
| Jan. 22 | A good deal of sea | I | 2856 | 137 |
| II | 5323 | 255 | ||
| Jan. 28 | Heavy ground swell | I | 2627 | 126 |
| II | 4562 | 218 | ||
| Feb. 5 | Fresh gales | I | 856 | 41 |
| II | 3042 | 146 | ||
| Feb. 21 | I | 1827 | 87 | |
| II | 3422 | 164 | ||
| Feb. 24 | Fresh breezes | I | 1256 | 60 |
| II | 3802 | 182 |
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