Translations:Columbus/21/en

Also in the second half of the '30s, according to the new trend inaugurated by Vacumatic, Columbus started producing models with transparent celluloid that allowed to see the ink level. In this same period there was the birth of the Columbus 112, a plunger filler model. In 1938 the company obtained a patent for a screw piston filler,^[1] which had as a consequence the creation of the 100 line, equipped with a piston filler loading system.

↑ Letizia Jacopini in his book report it as n° 288327, but this number is too similar to the previous one, nº IT-268327, date ten years befor, and this make that number dubious; the only one other known patent is nº IT-102094, found on hooded nib models produced after WWII and marked Columbus Extra 148 and Columbus Extra 150.

[1] Letizia Jacopini in his book report it as n° 288327, but this number is too similar to the previous one, nº IT-268327, date ten years befor, and this make that number dubious; the only one other known patent is nº IT-102094, found on hooded nib models produced after WWII and marked Columbus Extra 148 and Columbus Extra 150.

[1]

Translations:Columbus/21/en

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