Modifiche

In the mid '20s also [[Aurora]] started production of [[celluloid]] pens, and in [[1927]] introduced the [[Aurora Duplex|Duplex]] series,<ref>there are some wrong references to this series as the [[Internazionale]], for example in the Enrico Castruccio book ''La Penna''.</ref> which name was chosen in the results of a competition. The pen was a [[lever filler]], proposed in four measures. I was a clear imitation of the [[Duofold]] with the cap head in black hard rubber and a ball [[washer clip]]. But unlike the [[Duofold]] the top models of [[Aurora Duplex|Duplex]] have a metal clip with enchased with a fine filigree decoration, which makes the [[Aurora Duplex|Duplex]] a real jewel of the Italian style.

In the mid '20s also [[Aurora]] started production of [[celluloid]] pens, and in [[1927]] introduced the [[Aurora Duplex|Duplex]] series;<ref>there are some wrong references to this series as the [[Internazionale]], for example in the Enrico Castruccio book ''La Penna''.</ref> for its name was called a contest, the outcome of which was not then used.<ref>contrary to what Luca De Ponti argues in his book, the name chosen by the contest was not [[Duplex]], but ''"Alata"'', as evidenced by [[File:1927-07-Aurora-RisultatoConcorso.jpg|this advertisement]].</ref>. The pen was a [[lever filler]], proposed in four measures. I was a clear imitation of the [[Duofold]] with the cap head in black hard rubber and a ball [[washer clip]]. But unlike the [[Duofold]] the top models of [[Aurora Duplex|Duplex]] have a metal clip with enchased with a fine filigree decoration, which makes the [[Aurora Duplex|Duplex]] a real jewel of the Italian style.