Translations:Onoto/14/en
In those years however production continued without significant changes, the company had in fact a functional and efficient fountain pen, and saw no reason to make changes. However marbled hard rubber was introduced (1913?). In a 1913 catalog are cited the Hermit (a safety) and Pentago models, where the Valvless model is in 1915. The overfeed nib was replaced by an ordinary nib in 1921, when it was also introduced the Ink Pencil, a plunger filler stylographic model.