The Rodan-Okaya GR-707 is a small top-view nixie tube showing electrical symbols. Clearly this is intended for use in a multi-meter. This has the unusual feature of a side-nipple. The pin arrangement is also very unusual, it is a TSM-13P.
| Digit size | 12mm |
| Average current | 1.8mA |
| Base | TSM-13P |