|Humbarac? Ahmet Pa?a|
It is considered as the first organized and specialized troops in the corps level for this class, in the military history of the world.
Humbara, sometimes referred as Kumbara was derived from the Persian word hum-i pare meaning metal bowl or casing to store money. Due to the similarity of the shape of the projectiles, in the Ottoman Turkish, it was used to name the bombshells cast from iron or bronze.
In modern Turkish meaning changed original to denote the earthenware money box used by kids, basically a metal piggy bank.
In the 16th century, Mustafa, an artillery officer in the Ottoman army established a workshop to cast first humbaras in order to give the fire power of the artillery to the mobilized infantry groups.
On 1731, corps' size reached a little bit over of 600 soldiers, arranged in teams of 25, to serve as a detachment to armies.
Humbaras were cast for two different purposes:
Humbarac? Klas? or Kumbarahane (Humbarac? Garrison) was located in the Hasköy district of the Istanbul, on the coast of Haliç. The street in front of the barracks are still called Kumabarahane Street.
As considered one the first example of military garrisons, it included casting workshop, stable, training ground, kitchen, mosque, hospital, and shops. Garrison was also home Lamc?lar, corresponds to Sapper in modern armies.
On 1795, the garrison was expanded to include Imperial School of Military Engineering.
After the modernization of the Army and dissolving of the corps, barracks were used as a medical school. (Mekteb-i T?bbiye-i ?ahane)