dial system a-board
51List of Stargate Universe characters — The SGU cast at Comic Con 2009 This is a list of characters in Stargate Universe, an American Canadian military science fiction serial drama which made its premiere on October 2, 2009 on the Syfy channel. Contents …
52History of education in England — The History of education in England can be traced back to the Anglo Saxon settlement of England, or even back to the Roman occupation. During the Middle Ages schools were established to teach Latin grammar, while apprenticeship was the main way… …
53Panel switch — The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before… …
54AOL — For other uses, see AOL (disambiguation). AOL Inc. Type Public company Traded as NYSE: AOL …
55Royal Observer Corps — Ensign Active 1925–1996 Country …
56History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
57Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …
58GPO telephones — The United Kingdom s General Post Office (GPO) had a number of telephones that were provided by them for connection to their exchanges. Until 1982 the GPO had a monopoly on the provision of all telephones within the UK and so the range was… …
59University of South Carolina — This article is about the University of South Carolina s flagship campus in Columbia. For other campuses in South Carolina s state university system, see University of South Carolina System. University of South Carolina Columbia Motto Emollit… …
60Abkürzungen/Luftfahrt/L–R — Dies ist der vierte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K …
