The structure, which is at the central building of today's Istanbul University (former palace), is used as Ministry of National Defense during IInd Mahmud period. Wooden tower at the court yard of Ministry of National Defense, remained for a long period of time for fire watchers.
IInd Mahmud, had been demolished this tower for construction of a better one, and according to its inscription, by the order of him, on 1828 a rock filled tower, which reflects the architectural characteristics of that period, is constructed by Minister of National Defense
50 m high, this monument with its certain mass, is gaining a characteristic line to the city. Upper landing, which is reached via a wooden stairs, gives the possibility to see the a part of the city within birds' eyes.