User talk:86.83.169.178

The radio tube Philips-Iduret-Generatorlamp never existed. The term "Iduret" was a false reading by the advertisement department of the newspaper NRC. The correct name is Philips-Ideezet-Generatorlamp. See my book "Hanso Idzerda - 100 jaar radio-omroep, published on September 14 2019.

Gidi Verheijen gverhe@planet.nl