Philips MW6-2

mw6-2a.jpg (20050 bytes)
 

Equivalent 3NP4
Similar type MW6-4 has flat faceplate
With different screen MG6-2 (green)
MU6-2 (blue)
MY6-2 (red)
CV number CV1737
Swedish Mil.nr.  
This is a Philips 2" CRT with magnetic deflection. It was used for black and white projection television receivers back in 1950. The anode voltage is 25 kV and to prevent arcing there is a special shaped insulator for the anode connector.
Below more info: