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The [[Aurora 88|88]] model was equipped with a very advanced [[piston filler]], with differential threads. The pen was made with a metal cap in both gold-plated metal or using an alloy of nickel and silver called ''[[Nikargenta]]''. The body was in celluloid with a transparent section, while the handle of the piston was in hard rubber. The [[Aurora 88|88]] was qualitatively and technologically far more advanced than a [[Parker 51|51]], the only plastic part was the sheath of the nib, and the feeder had a sophisticated supply system which allowed a regular ink flux.
 
The [[Aurora 88|88]] model was equipped with a very advanced [[piston filler]], with differential threads. The pen was made with a metal cap in both gold-plated metal or using an alloy of nickel and silver called ''[[Nikargenta]]''. The body was in celluloid with a transparent section, while the handle of the piston was in hard rubber. The [[Aurora 88|88]] was qualitatively and technologically far more advanced than a [[Parker 51|51]], the only plastic part was the sheath of the nib, and the feeder had a sophisticated supply system which allowed a regular ink flux.
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In [[1957]] (or 1954), to counter the massive advent of the ballpoint pens, [[Aurora]] launched the [[Duo-Cart]], a [[cartridge filler]] economic model. The cartridges were carried out in polyethylene, and designed by [http://it.wikipedia.org/wiki/Giulio_Natta Giulio Natta], Nobel prize for chemistry. The distinguishing characteristic of the pen, exposed by the name, was the ability to contain within its barrel a second cartridge, to avoid to get out of ink. Following the same design the [[Aurora 888|888]] was also introduced, a [[cartridge filler]] version of the [[Aurora 88|88]].
In [[1957]] (or 1954), to counter the massive advent of the ballpoint pens, [[Aurora]] launched the [[Duocart]], a [[cartridge filler]] economic model. The cartridges were carried out in polyethylene, and designed by [http://it.wikipedia.org/wiki/Giulio_Natta Giulio Natta], Nobel prize for chemistry. The distinguishing characteristic of the pen, exposed by the name, was the ability to contain within its barrel a second cartridge, to avoid to get out of ink. Following the same design was also introduced the [[Aurora 888|888]], a [[cartridge filler]] version of the [[Aurora 88|88]].
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In the following years the advent of the ballpoint pen affected the production in a ever more massive way. The company was sold to the family Verona in the early '60s, but always remained active in the market, starting to produce ballpoint pens. In [[1963]] was introduced the [[Aurora 98|98]] model, still a [[piston filler]] equipped with an additional reserve of ink called ''[[Riserva Magica]]'' which allowed to obtain a few drops of ink when the tank was empty. In [[1965]] the economic line [[Auretta]] was introduced, a [[cartridge filler]] produced in colorful plastic and directed especially to students.  
 
In the following years the advent of the ballpoint pen affected the production in a ever more massive way. The company was sold to the family Verona in the early '60s, but always remained active in the market, starting to produce ballpoint pens. In [[1963]] was introduced the [[Aurora 98|98]] model, still a [[piston filler]] equipped with an additional reserve of ink called ''[[Riserva Magica]]'' which allowed to obtain a few drops of ink when the tank was empty. In [[1965]] the economic line [[Auretta]] was introduced, a [[cartridge filler]] produced in colorful plastic and directed especially to students.  

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