![Glattungsrohe GR 860/A](https://coimages.sciencemuseumgroup.org.uk/450/966/large_thumbnail_smg00239094.jpg)
Collection of 34 gas filled, cold cathode, stabilizer valves (GCS)
Collection of 34 gas filled, cold cathode, stabilizer valves (GCS)
![Glattungsrohe GR 860/A](https://coimages.sciencemuseumgroup.org.uk/450/966/large_thumbnail_smg00239094.jpg)
![Glattungsrohe GR 150/A](https://coimages.sciencemuseumgroup.org.uk/450/967/large_thumbnail_smg00239095.jpg)
Glattungsrohe GR 150/A
![VS 70](https://coimages.sciencemuseumgroup.org.uk/450/968/large_thumbnail_smg00239096.jpg)
VS 70
![AW3](https://coimages.sciencemuseumgroup.org.uk/450/969/large_thumbnail_smg00239097.jpg)
AW3
![AW3 VS68 10E/11449](https://coimages.sciencemuseumgroup.org.uk/450/970/large_thumbnail_smg00239098.jpg)
AW3 VS68 10E/11449
![Valvo 13201E](https://coimages.sciencemuseumgroup.org.uk/450/974/large_thumbnail_smg00239102.jpg)
Valvo 13201E
![Stabilovolt STV 280/150 Z](https://coimages.sciencemuseumgroup.org.uk/450/971/large_thumbnail_smg00239099.jpg)
Stabilovolt STV 280/150 Z
![Sylvania VT-139](https://coimages.sciencemuseumgroup.org.uk/451/126/large_thumbnail_smg00239300.jpg)
Sylvania VT-139
![Cossor S130](https://coimages.sciencemuseumgroup.org.uk/451/125/large_thumbnail_smg00239299.jpg)
Cossor S130
![STC SV VR105/30 003](https://coimages.sciencemuseumgroup.org.uk/451/124/large_thumbnail_smg00239298.jpg)
STC SV VR105/30 003
![CV 449 KB1D 1483DL](https://coimages.sciencemuseumgroup.org.uk/451/127/large_thumbnail_smg00239301.jpg)
CV 449 KB1D 1483DL
![Stabilovolt STV 75/15ZL](https://coimages.sciencemuseumgroup.org.uk/451/160/large_thumbnail_smg00239373.jpg)
Stabilovolt STV 75/15ZL
![LK199 43/90 LN 28729](https://coimages.sciencemuseumgroup.org.uk/451/157/large_thumbnail_smg00239370.jpg)
LK199 43/90 LN 28729
![Mullard 85 A1](https://coimages.sciencemuseumgroup.org.uk/451/128/large_thumbnail_smg00239302.jpg)
Mullard 85 A1
![Mullard 7475](https://coimages.sciencemuseumgroup.org.uk/451/158/large_thumbnail_smg00239371.jpg)
Mullard 7475
![Stabilovolt STV 75/15/11](https://coimages.sciencemuseumgroup.org.uk/451/159/large_thumbnail_smg00239372.jpg)
Stabilovolt STV 75/15/11
![Philips 13202X IM44](https://coimages.sciencemuseumgroup.org.uk/451/154/large_thumbnail_smg00239367.jpg)
Philips 13202X IM44
![Mullard M 8098](https://coimages.sciencemuseumgroup.org.uk/451/155/large_thumbnail_smg00239368.jpg)
Mullard M 8098
![CV 287](https://coimages.sciencemuseumgroup.org.uk/451/156/large_thumbnail_smg00239369.jpg)
CV 287
![STC G180/2M](https://coimages.sciencemuseumgroup.org.uk/451/151/large_thumbnail_smg00239364.jpg)
STC G180/2M
![Stabilovolt 100/252](https://coimages.sciencemuseumgroup.org.uk/451/152/large_thumbnail_smg00239365.jpg)
Stabilovolt 100/252
![AW2 ZA7119](https://coimages.sciencemuseumgroup.org.uk/451/153/large_thumbnail_smg00239366.jpg)
AW2 ZA7119
![Stabilovolt STV 150/20](https://coimages.sciencemuseumgroup.org.uk/451/149/large_thumbnail_smg00239362.jpg)
Stabilovolt STV 150/20
![Philips 13204X](https://coimages.sciencemuseumgroup.org.uk/451/148/large_thumbnail_smg00239361.jpg)
Philips 13204X
![GE 0Z4A](https://coimages.sciencemuseumgroup.org.uk/451/146/large_thumbnail_smg00239358.jpg)