Marconi Instruments Limited, Manufacturer
Marconi Valve / Made in the Osram Lamp works / covered by various patents Printed
R100 approved by Postmaster General type / BBC Printed
The development of MOTAT's online platform is a continual process. Records are updated regularly, with new information and images. There may be mistakes or omissions in the information provided and we welcome input from the public.
Do you know something about this object? Contact us or comment below.
Be the first to comment.