Alle Röhren vom Hersteller: STC - Standard Telephones and Cables Limited

→ 24B9 Inventar: 6395 Hersteller: STC - Standard Telephones and Cables Limited
→ 5A/152M Inventar: 7803 Hersteller: STC - Standard Telephones and Cables Limited
→ S204/2K Inventar: 7932 Hersteller: STC - Standard Telephones and Cables Limited
→ S109/1K Inventar: 8378 Hersteller: STC - Standard Telephones and Cables Limited