This exhibit is a small viewfinder CRT. The magnetic deflection coils are not factory fitted.
The flat round screen is a precision formed instrument.
The gun and focus electrodes.
The end window envelope is 17.75 mm in diameter, and excluding the base pins is 60 mm tall.
Updated June 21, 2013. shape:end.window construction:all.glass type:cathode-ray.tube base: pins:6 pin: