"Our front cover picture shows a girl at the Mullard Valve Factory at Mitcham, carrying out a welding operation on
a modern all-glass valve. At every stage of manufacture, great care is taken to ensure that all welds are secure. Before
being passed on for sealing into the bulb, all electrode assemblies are carefully inspected, abd the various electrodes
are checked to ensure that they are correctly centred."
Technical Contents : | What's In A Valve (Pt.3) The Principles of the Cathode Ray Tube (Pt.3) Marking Faulty Valves The Grounded Grid Amplifier Mullard Valve Type Nomenclature Means Something! |
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Last updated 20th December 2010 |