Data Portal @ linkeddatafragments.org

DBpedia 2014

Search DBpedia 2014 by triple pattern

Matches in DBpedia 2014 for { ?s ?p Abd al-'Aziz ibn Muhammad al-Qahiri al-Wafa'i known as Ibn al-Aqba'i (1408–1471) was an astronomer in the 15th century. He was born in 811 H.E. (1408 A.D.) and died in 876 H.E (1471 A.D.). Some sources say that he died in 874 or 879 H.E. He was a student of Ibn al-Majdi and Nur al-din al-Naqqash. He became a time keeper at the Mu'ayyad Mosque in Cairo. He also became the chief of the time keepers of the Azhar mosque and the Maridani Mosque. He was interested in the calculation of the local times of cities based on their latitude and longitude. He invented an astronomical device called Da'irah al-Mu'addal.He wrote about 40 books and 20 treatises on mathematics and astronomy, none of them published. Among his works is the manuscript Risalah al-'Amal bi al-Rub' al-Mujayyab. }

Showing items 1 to 1 of 1 with 100 items per page.