The contents are as follows. (i) Port Patrick and Port Logan (Portnessock), correspondence and reports concerning the development of these harbours and others for the Irish crossing, 1810, 1813-1817, 1820-1821 (folio 1); (ii) Portsmouth, report and list of soundings, 1814, 1819 (folio 61); (iii) Queensferry, letters and printed plan, 1808, 1811-1812 (folio 67); (iv) Ramsgate, reports, 1782-1783, 1787-1788 by John Smeaton, correspondence, 1812, 1814-1817, 1820-1821, and printed tide tables, 1809 (folio 72); (v) St Andrews, tide and wind observations, 13-31 December 1807, correspondence, 1808-1809 (folio 133); (vi) St Nicholas Bay, letter, 1811 (folio 160); (vii) Selsey, estimate for sea wall, 1807 (folio 62).