The CV8960 is a double ended cor0ona voltage stabiliser that operates at 6.8 kV - the voltage that a post deflection acceleration (PDA) oscilloscope tube final anode would operate.
The caps at either end also have wires attached for direct wiring into circuit.
The KB/Z identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the Z identifies the maker as MO Valve Company, Hammersmith.
A serial number of 30 suggests either a pre-production sample or a very low number were made.
The multiple connections to the cathode cylinder.
The thin glass tube envelope is 20 mm in diameter and, including the base pins, is 88 mm tall.
References: Jeremy Harmer. Type CV8960 was first introduced in 1965. See also1965 adverts.
