A file of correspondence concerning the installation of radio communication sets in British diplomatic missions in Africa. The letters discuss the transport of a generator to Monrovia, along with the recruitment of an operator and the importance of concealing its operation from the Liberian government; the installation of radio equipment in Bissau, along with a debate over which government department should cover the costs, and the danger of detection by the Portuguese colonial authorities; the installation of a set in Dakar; and the clandestine installation of a set in Casablanca.