Email Record: Correspondence concerning various aspects of the Ordnance Survey, including copper plate printing (1835), the refusal of additional
sergeants for the survey companies (1842), a threatening letter to
Thomas Larcom from “Capt. Rock” (1842), the murder of Alfred Lynch (1842-3), the American Boundary Survey, and the removal to Southampton of triangulation and observation books, correspondents
include Colonel Colley,