Soviet LN-5 Potentialoscope Vintage Storage Radar Tube 0882. MINT!A Potentialoscope is a cathode ray tube that was used in older Russian analog radars as a memory for pulse-pair-procession. Its function is similar to that of a normal cathode ray tube in an oscilloscope. Instead of the display is used in the tube a plate with a Cesium layer as storage. This RARE item is brand new, has never been used and is in a MINT condition. It goes with its original technical passport. It was bu...ilt in August 1982. All technical characteristics and electrical parameters are on the passportWeight : 601 g Length: 33, 5 cm Diameter: 11 cm Shipping with Tracking