Aberdeen Harbour Board: List of tenders and names of contractors for the supply of ordinary materials for the Harbour 1863-64 The document provides, in the left-hand column, a list of 21 materials [e.g. Leather and Lime] that have both been circled. In the right-hand column is the list of the 19 corresponding contractors. Harbour Office (presumed author), illegible signature. 24 Nov 1863