Aberdeen Harbour Board: Letter Bundles Majority address to James Riddel, treasurer to the Harbour Trustees, until his death in November 1842; thereafter addressed to his successor Alexander Reid. The authors of the letters include: - John Gibb (1776-1850), a Civil Engineer who was involved in many harbour works at Aberdeen and worked alongside Thomas Telford. He worked with his son, Alexander, from a site at Waterloo Quay. - John Angus, Town Clerk of Aberdeen - Trinity House 1829-1843