The parallel ruler was invented in about 1584 by Fabrizio Mordente, but it was not in common use until the 18th century.
Fabrizio De André | Fabrizio Moretti | Fabrizio Castello | Fabrizio Cassol | Fabrizio Ruffo | Fabrizio Ravanelli | Fabrizio Miccoli | Fabrizio De Andrè | Volume 1 (Fabrizio De André album) | Florindo Fabrizio | Fabrizio Zanotti | Fabrizio Spada | Fabrizio Pedranzini | Fabrizio Paolucci | Fabrizio Mordente | Fabrizio Lasagna | Fabrizio Giovanardi | Fabrizio Corona |