Random triples
| Subject | Object |
|---|---|
| gptkb:Flint_glass | dispersion |
| gptkb:Flint_glass | refractive index |
| gptkb:Low-pressure_sodium_lamp | luminous efficacy |
| Subject | Object |
|---|---|
| gptkb:Flint_glass | dispersion |
| gptkb:Flint_glass | refractive index |
| gptkb:Low-pressure_sodium_lamp | luminous efficacy |