The contents are as follows. (i) Nene Outfall, report and letter, 1833 (folio 1); (ii) Eau Brink Cut, letters, 1830, 1832-1834, with a note by Thomas Casebourne on its effects, 1833 (folio 16); (iii) Chesterfield Railway, report and accounts, 1826 (folio 26); (iv) St Helens and Runcorn Railway, letters, 1833 (folio 30); (v) London metropolitan water survey, reports and accounts, 1831-1834, with reports by Thomas Telford on reservoirs in Green Park, 1828 (folio 33); (vi) Edinburgh Encyclopedia, letters and minutes, 1833 (folio 59); (vii) New Brunswick, letters concerning a proposed canal from the Bay of Fundy to the Gulf of St Lawrence, 1824-1825 (folio 75); (viii) General incoming correspondence, 1795; 1809, 1815, 1822-1834 (folio 83).