AT40 Marconi Osram top pip – STR E52 French made topo pip – Frelat European type R Top Pip

Frelat balloon Top Pip £ 300

AT40 Marconi Osram £ 450

STR E52 Balloon Top Pip £ 300

Balloon Philips triode £ 200

Description

Nice lot of four audio and radio valves dated 1920s+

The AT40 Army Transmitting Marconi Osram has already been dealt with, see other AT40.

The French STR E52 is a classic old radio transmitting valves.

The Frelat top pip is another example as well as the other balloon Philips triode on the right.

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