The CV6094 is a special quality DM160, a miniature voltage indicator for use in computer circuits to indicate the state of a logic gate.
The control range on the grid is 0 to -3.0 Volts.
The KB/P identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the P identifies the maker as Philips, Eindhoven, Holland.
The filament tension spring can be seen on the right.
The centre wound element is the coated anode that glows to indicate the control voltage and thus the state of the circuit being monitored.
The thin glass tube envelope is 5 mm in diameter and, excluding the lead out wires is 28 mm tall.
