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The graphometer, semicircle or semicircumferentor is a surveying instrument used for angle measurements. It consists of a semicircular limb divided into 180 degrees and sometimes subdivided into minutes. The limb is subtended by the diameter with two sights at its ends. In the middle of the diameter a "box and needle" (compass) is fixed. On the same…
Measurement, Overview & Usage
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sights limb diameter angle middle semicircle semicircumferentor 180 degrees sometimes two device du alidade using instrument ends another surveying compass
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Graphometer | related to Usage | To | 0.60 | section |
| Graphometer | related to Usage | EKG | 0.60 | section |
| Graphometer | related to Usage | The | 0.60 | section |
| Graphometer | related to Usage | KE | 0.60 | section |
| Graphometer | related to Usage | KG | 0.60 | section |
| Graphometer | related to Usage | Further | 0.60 | section |
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