Noval B9A 9-Pin tube-valve-base-Röhrensockel
UL 84(=45B5) Pentode-Röhre-tube
...

UCL 82 (=50BM8) Triode/Pentode
...

Loctal 8-pin tube-valve-base, B8G
...

Y8A 8pin steeltubesocket (8pol Stahlröhrensockel)
very rare UL 11 Pentode-Röhre-tube

Stahlröhrensockel
UEL 51 Röhre-tube
...

Noval B9A 9-Pin tube-valve-base-Röhrensockel
UBF 80 (=17N8) DuoDiode/Pentode
...

Y8A 8pin steeltubesocket (8pol Stahlröhrensockel)
UBF 11 DuoDiode/Pentode
...

Octal K8A 8-Pin tube-valve-base
...

Noval B9A 9-Pin tube-valve-base-Röhre nsockel
UBF 89 (=19FL8, 19DC8) Röhre
...