osprey military men-at-arms series British army, 1660-1704 / text by John Tincey ; colour plates by Gerry Embleton Signal Training. Pamphlet no. 8. Signal Office Organization and Procedure. Part II. Procedure for Telephone Switchboard Operating. 1945 - Engeland Voorschrift Working Instructions. Switchboard F and F, MK I, MK I* and MK II. WO 1016 - Engeland Voorschrift
