Translations:OMAS/9/en

The OMAS initial production is characterized by some button filler Flat top models, that were a clear imitations of the Duofold. But some of these sported original technical solutions, like the second version of the Penna del dottore in which the thermometer was again hosted by the body of the pen, or the penna del calligrafo, directed to the use by calligraphers, which was equipped with a special section that can be unscrewed and replaced, allowing an easy nib change.