"Designed in 1901 by engineer Joseph Perrino artillery, was the first automatic weapon Italian design (weighing 27 kg). In 1910, as amended and referred to as "lightweight" (17 kg), after some good tests, was adopted by the Savoy with the Maxim model used since the same size. In this way it was intended to reward a national patent and the Italian production. It was powered by shippers metal plate 25 shots each (a particular stock hopper could hold five shippers ready for the shot, add down to achieve a continuous fire. The circulation of the cooling was ensured by pumping from long-recoil movement of the barrel within the sleeve. The theoretical rate of fire was 450 strokes per minute. It was distributed in very limited quantities, while the quality far superior to any other machine gun adopted."