Juma mosque Baku (local: Cümə məscidi – Friday Mosque) was constructed over a fire-worshiping temple. The epitaph on the mosque wall says regarding construction of the building: “Emir Sharaf-ad-din Mahmud ordered to restore this building in Radjab month of 709 (1309-10).”
A powerful crowned minaret with stalactic range functioning as balcony for summoning the believers in the northern wall of the Juma mosque Baku along the praying hall in 15th century.
The history of the minaret is before the date of construction of the Friday Mosque Baku.
The text of label belonging to Mahammad Oljaytu, Elkhani sultan, is engraved on the gravestone in the foundation of the minaret discovered during archaeological investigations.
In late 19th and early 20th centuries Hadji Shykhali Dadashov, one of the rich inhabitants of Baku constructed the new building of the mosque on the place of the ancient monument for charitable purposes.
The dome of the Juma mosque Baku having a small diameter is completed with the praying hall in quadratic shape kept on four supports in the central part. Oriental and European classic motives were used while constructing the mosque. The main principles of the Azerbaijani architecture like stone engraving, wide patterns palette, artistic epigraphy, etc. are expressed in the entrance portal. The construction and pattern works on stones have perfect quality. The skilful masons perfectly expressed the thoughts of an unknown architect.
Source: IcheriSheher official web site