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8
Astrolabe
Muhammad Al-Farazi -
9
Timetable
YAQUB ibn TARIQ -
9
Alfraganus
Al-Farghani made multiple inventions. -
9
The Book Of Al-Battani
AL-Battani wrote a book on astronomy. -
9
Book on Astrolabe
Abd-Rahman As-Sufi wrote a book on the astrolabe with other discoveries he made himself. -
10
Earth Rotates on it's axis
Al Biruni calculated that earth rotates on its axis. -
10
Toledan Tables
Al-Zarqali -
12
Torquetum
Jabir ibn Aflah invented the Torquentum.