triangulation pillar
triangulation pillar · triangulation pillars
A concrete pillar used by the Ordnance Survey as a point for taking theodolite…A concrete pillar used by the Ordnance Survey as a point for taking theodolite measurements, used in determining the exact shape of the country in a mid-20th-century retriangulation project.
Значение
значений: 1(Британия)A concrete pillar used by the Ordnance Survey as a point for taking theodolite measurements, used in determining the exact shape of the country in a mid-20th-century retriangulation project.
Формы
мн. число: triangulation pillars| Ед. число | triangulation pillar |
|---|---|
| Мн. число | triangulation pillars |
правильный