(Creata pagina con "In the second half of the '30s were then introduced Olo F and Olo Gamma models, the first was a faceted pen, going back to the similar Novum model. The second was...")
In the second half of the '30s were then introduced Olo F and Olo Gamma models, the first was a faceted pen, going back to the similar Novum model. The second was a pen with straightest lines, with a metal cover bottom. Both were offered with combination of mechanical pencils.