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The main technical feature of this pen is its depression filling system, a clear imitation of the [[Vacumatic]] one. The pens were also made with transparent body in order to display the ink level. The cap was screw closed.
The main technical feature of this pen is its depression filling system, a clear imitation of the [[Vacumatic]] one. The pens were also made with transparent body in order to display the ink level. The cap was screw closed.
==Materials==
Pens in this series were celluloid made, with gold filled metal trim and clasp, and a 14-carat gold nib, or finished in white metal and whit a steel iridium nib (for a possible autarkic version).
Pens in this series were celluloid made, with gold filled metal trim and clasp, and a 14-carat gold nib, or finished in white metal and whit a steel iridium nib (for a possible autarkic version).