Papers relating to the North African landings (Operation TORCH), 1942, principally comprising signalinstructions, intelligence summaries and various maps and diagrams relating to wireless communication in North Africa, Oct 42; official note concerning project for the establishment of signal communications in Bizerta and Tunis (Operation DECIBEL), including maps andappendices on storage dumps and naval requirements, written by Metson as Commander, 11 Unit, Lines of Communications Signals for circulation to Chief Signal Officer and 11 Unit personnel, Apr 1943.