Modifiche

Also around [[1935]] the Columbus introduced a new arrow clip, an obvious imitation of the one used by [[Parker]] on the [[Vacumatic]] model. The new clip was progressively used on many different models, but it was applied primarily on the top models marked ''Extra''. In [[1936]], as a result of the good commercial success achieved by its pens, [[Columbus]] moved its activities into the new headquarters of Via Lamarmora in Milan, where more space allowed to meet the increased production needs.

Also around [[1935]] the Columbus introduced a new arrow clip, an obvious imitation of the one used by [[Parker]] on the [[Vacumatic]] model. The new clip was progressively used on many different models, but it was applied primarily on the top models marked ''Extra''. Around [[1936]],<ref>according to Letizia Jacopini, but this 1935 [[:File:1935-Columbus-Extra-Torre.jpg|advertisement]] is already reporting the new location.</ref> as a result of the good commercial success achieved by its pens, [[Columbus]] moved its activities into the new headquarters of Via Lamarmora in Milan, where more space allowed to meet the increased production needs.