Round oscilloscope crt Diameter : 70mm Electrostatic focus and deflection with post acceleration Phosphor - F8009P11 / OE407PA-B / OE407PAB : short persistence blue - F8009P7 / OE407PA-R / OE407PAR : long persistence blue - F8009P1 / OE407PA-V / OE407PAV : medium persistence green Manufacturer CSF
