The GR10H Digitron is an early nixie tube made by ETL of England. It is clearly a later version of the GR10K
| Digit size | 19mm |
| Min current | 1mA |
| Max current | 2.5mA |

Nixie stuff
The GR10H Digitron is an early nixie tube made by ETL of England. It is clearly a later version of the GR10K
| Digit size | 19mm |
| Min current | 1mA |
| Max current | 2.5mA |