Eagle "Arrow"Push-Button Dip Pen.-1887

Patented nib by Eagle in 1887 that has the particularity of being retractable with a clever system that plugs the cylinder that holds the nib, and whose cap serves at the same time to block the support of the nib after activating a button that allows its exit from the indicated cylinder.

Characteristic of the inventive capabilities of this Brand, the first to use a glass cartridge to contain the ink.