Translations:Omas/9/en

The initial OMAS production of is characterized by various Flat top button filler models, clear imitations of the Duofold. However some of these models were characterized by original technical solutions, as for the second version of the "penna del dottore" in which again the thermometer was hosted by the body of the pen, or as for the "penna del calligrafo", which was equipped with a special section that could be easily unscrewed, allowing an easy the change of the nib type, which was directed towards the use by calligraphers.