meridian ring globe
41Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …
42Khālid ibn ʿAbd al‐Malik al‐Marwarrūdhī — (Arabic: خالد بن عبدالملك) was a Zanji slave who was taken to Persia in the 9th century.[citation needed] 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… …
43Ulugh Beg Observatory — The trench. In …
44Dunedin — For other uses, see Dunedin (disambiguation). Dunedin Māori: Ōtepoti   Metropolitan Area   …
45Geschichte der Zeitmessgeräte — Die Geschichte der Zeitmessgeräte lässt sich bis vor 6000 Jahren zurückverfolgen, als die Sumerer auf Tontafeln von Sonnenuhren berichteten. Von dieser Erfindung, die als eine der größten der Menschheit bezeichnet werden kann, existierte in einer …
46Refractive error — Refraction error Classification and external resources ICD 10 H52.0 H52.4 ICD 9 …
47Dexter Morgan — Dexter character First appearance Books: Darkly Dreaming Dexter Series: Dexter …
48High-speed rail in China — This article is about high speed rail in the People s Republic of China. For high speed rail in the Republic of China (Taiwan), see Taiwan High Speed Rail. High speed rail (HSR) trains in China A China Railways CRH1 train in Guangzhou. CRH1 is… …
49Territories in The Pendragon Adventure — Halla, in D. J. MacHale s Pendragon, refers to everything. Every territory, every person, every living thing, every time there ever was (according to the character Press Tilton in The Merchant of Death). The following is the list of territories… …
50Ptolemy — For others with Ptolemy... names, and history of those names, see Ptolemy (name). Ptolemy An early B …
