Matches in DBpedia 2016-04 for { ?s ?p "Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī (Arabic: خالد بن عبدالملك) was a Zanji slave who was taken to Persia in the 9th century.Together with ʿAlī ibn ʿĪsā al-Asṭurlābī in 827, he measured at 35 degrees north latitude, in the valley of the Tigris, the length of a meridian arc and thus the Earth's circumference, getting a result of 40,248 km (or, according to other sources, 41,436 km)."@en }
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- Khālid_ibn_ʿAbd_al‐Malik_al‐Marwarrūdhī comment "Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī (Arabic: خالد بن عبدالملك) was a Zanji slave who was taken to Persia in the 9th century.Together with ʿAlī ibn ʿĪsā al-Asṭurlābī in 827, he measured at 35 degrees north latitude, in the valley of the Tigris, the length of a meridian arc and thus the Earth's circumference, getting a result of 40,248 km (or, according to other sources, 41,436 km).".
- Q2796360 comment "Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī (Arabic: خالد بن عبدالملك) was a Zanji slave who was taken to Persia in the 9th century.Together with ʿAlī ibn ʿĪsā al-Asṭurlābī in 827, he measured at 35 degrees north latitude, in the valley of the Tigris, the length of a meridian arc and thus the Earth's circumference, getting a result of 40,248 km (or, according to other sources, 41,436 km).".