340-0004
15.5mmmm numeric tube manufactured by Wang Lab
The 340-0004 is a clear glass numeric nixie tube manufactured by Wang Labs. Wang Labs made calculators. Its very similiar the NL-840, and its really likely that this tube was manufactured by National Electronics for Wang, because the printing on the tube is identical style.
| Brand / Manfacturer | Wang Lab |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 15.5mm |
| Characters / Symbols | 0-9 |
| Decimal point | none |
| Base / Socket | RTS-14 |
| Starting Voltage (typ) | 170 V |
| Maintaining Voltage (typ) | 0 V |
| Current per Segment | 3mAmA |
| Reccomend Resistor | 8.2kOhm @ 170V |
