Building techniques of the Zeytinburnu Military Factory built in the 19th century

The Zeytinburnu Military Factory, a large Complex, was built With the Purpose of modernizing the army as a result of the reform movements of 1826. The necessary materials and machines for the factory whose construction is known to have continued between 1845-1846, were brought from London by Barutcubasi Hoca Ohannes Dadyan Efendi. British engineer William Frin was responsible of the construction and assembly of-the factory. The factory was established oil a wide area between the Sea of Marmara and the railroad. A map dated 1918 shows the factory buildings and contains information about their functions. Eight buildings/building groups of the factory are still extant. They show variation in the roof structures and their Supports. Three of the 4 cranes in one of the buildings were removed. The factory buildings that house original examples of the period's construction techniques must first be documented in detail and then measures must be taken for their conservation.