CV284 / QS75/20
Quality British made Mil. Spec. 7-pin miniature glass voltage regulators with top square getters. These fine tubes strike at 110 volts, maintaining voltage within plus or minus 5 volts at 75 volts for currents between 5 and 20 mA. Tubes are stamped CV284 ARROW MA and production code KB/Q, indicating manufacture at English Electric Chelmsford plant. Black phenolic pin protectors are provided, all encased in cardboard cone-shaped protector and white military boxes marked VALVE ELECTRONIC C.V. 284. A.M. REF. NO. 10CV/284 Q .