Monochrome Cathode Ray Tube Type B801 B2F
Monochrome Cathode Ray Tube Type B801 B2F, serial no. 55, by Rank Electronic Tubes, U.K, from IBA Emley Moore (IBA)
Monochrome Cathode Ray Tube Type B801 B2F, serial no. 55, by Rank Electronic Tubes, U.K, from IBA Emley Moore (IBA)