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...ips for using a fountain pen, divided into the different aspects that this use may have. ...sitions, having a wide range of inclination angles of the nib with respect to the sheet, and generally the vertical position is the least indicated.

...ice that a [[piston filler]] pen contains much more ink than a [[cartridge filler]] one, which, with pens on the market today, is almost never true. ...epeatable, so in addition to the results of the same, the methodology used to obtain it must also be detailed.