Random triples
| Subject | Object |
|---|---|
| gptkb:ISO_10602 | Measuring ISO speed and ISO average gradient using a densitometer |
| gptkb:On_the_Measurement_of_the_Earth_by_Eratosthenes | use of sun angles at Syene and Alexandria |
| gptkb:ISO_11270 | Thick source method |
| Subject | Object |
|---|---|
| gptkb:ISO_10602 | Measuring ISO speed and ISO average gradient using a densitometer |
| gptkb:On_the_Measurement_of_the_Earth_by_Eratosthenes | use of sun angles at Syene and Alexandria |
| gptkb:ISO_11270 | Thick source method |