Junot Amplifier – Fellows P1 – Frelat Europe R – Frelat Pentode Pip – BBC Ediswan R – R Europe

Description

This section covers early 1920s triodes for receivers and amplifiers.

Most valves are European unless stated otherwise.

Junot Top Pip amplifying valve French made.

A British Fellows type R first triode audio valves receivers.

Two Frelat Holland type R top pip audio radio sets.

A British Ediswan Top Pip BBC label type R audio amplifying valve.

R European French design amplifying valve.