Translations:Stylomine/7/en

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.