Modifiche

But the most significant feature of the new model, which will remain in all subsequent production of the company is the revolutionary system of [[accordion filler]] a peculiar variant of breather tube filler which allowed a large ink capacity, made well in advance of the American equivalents, and well before the success of the [[Parker]] [[Vacumatic]]. This system, along with the re-entrant nib, it was used by the [[1933]] in the new model [[Stylomine 303B|303B]], produced in three versions, and the model [[Stylomine 303B|303B]], without re-entrant nib, but that in addition to the three previous versions was also created in a size large enough to call it [[Mastodonte]].

But the most significant invention of the company, which is a bit its distinguishing feature,  is the revolutionary [[accordion filler]] a peculiar variant of breather tube filler which allowed a large ink capacity, in which the pumping was carried out thanks to an ink sac with accordion walls, and in which the bulb was replaced by a button under the bottom, consisting of a glass ampule inserted to slide in the rear end of the body, that you could press to make the pumping, use and also to see the remaining ink.