However al-Hakim kept astronomical instruments in his house overlooking Cairo and built up a library which was only second in importance to that of the House of Wisdom over 150 years earlier.
Aga al-Hakim hoida astronoomiainstrumente oma maja overlooking Kairo ja ehitanud raamatukogu, mis oli alles teine oluline, et House of Wisdom üle 150 aastat tagasi.