Draft heads of agreement, 1865, between the Glamorganshire Canal Navigation Company, vendors, and the Trustees of the Marquess of Bute, concerning the purchase of the canal (ff. 15-19), together with related draft and carbon copy letters, 7-9 June 1865, from John Boyle, Bute trustee, to R. T. Crawshay, chairman of the Canal Company (ff. 3-14).