General Articles

0.18A Series-string DC Mains Valves. A Continental idea

A 1 kW Audio Amplifier.

1934 - Mullard 2 Volt Battery Valves From the Mullard 1934-35 Valve catalogue

1934 - Mullard AC Mains Valves From the Mullard 1934-35 Valve catalogue

1934 - Mullard Universal Valves (AC/DC) From the Mullard 1934-35 Valve catalogue

1934 - Frequency Changing From the Mullard 1934-35 Valve catalogue

1950s Valve Manufacture. Anode pressing

1950s Valve Manufacture. Cathode spraying

1950s Valve Manufacture. EF80 Assembly

1950s Valve Manufacture. Evacuation and testing

1950s Valve Manufacture. Glass tube manufacture

1950s Valve Manufacture. Grid winding

1950s Valve Manufacture. Heater production

1950s Valve Manufacture. Making a pressed glass foot

1950s Valve Manufacture. Manufacture of Tungsten wire

1950s Valve Manufacture. Mica supports

The Azide Process. Technical article on cathode technology

Mullard Miscellaneous xx5x Series Valves. Details of the series

The Early Mullard Naming Convention. The Meaning of AC044.

The Mullard Receiving Valve Naming Convention. How to decode a receiving valve name

Mullard 'Straight' Screened Pentodes. SP valves from Mullard

The Mullard Transmitting & Industrial Valve Naming Convention. How to decode a Mullard Industrial valve name

The Pentode. A 1933 article by Stanley Mullard.

The Philips-Mullard (PM) Series. The first 'azide' valves

Silica Valves. A Mullard speciality