Working Instructions. Wireless Sets. no.38. MK. II or MK. II* in Churchill I, II, III and IV Tanks. WO 1072 - Engeland Voorschrift Working Instructions. Cable Layer Mechanical no. 1, MK I, MK I* en MK I**. Part I. Cable Layer Mechanical no. 1, MK I and MK … Instruction for practice seaward. Royal Artillery.1938. WO 7464 - Engeland Voorschrift
