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Stadia marks, also called stadia lines or stadia hairs, are crosshairs on the reticle of a theodolite or other surveying instrument that allow stadiametric rangefinding.
Etymology, Usage & Overview
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stadia rod distance interval factor marks instrument telescope length also reticle theodolite surveying mark intercept spacing ratio levelling hairs stadiametric
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Stadia mark | related to Etymology | The | 0.60 | section |
| Stadia mark | related to Etymology | Greek | 0.60 | section |
| Stadia mark | related to Etymology | Several | 0.60 | section |
| Stadia mark | related to Etymology | Egyptian | 0.60 | section |
| Stadia mark | related to Usage | One | 0.60 | section |
| Stadia mark | related to Usage | Each | 0.60 | section |
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