|Note_en=Page 5. It refers to an [[Aurora]] [[safety]], but the one illustrated bears the wording ''Calderoni'' and has no characteristics immediately attributable to production [[Aurora]]. {{OnBack|File:1937-11-Catalogo-Calderoni-p06.jpg}} | |Note_en=Page 5. It refers to an [[Aurora]] [[safety]], but the one illustrated bears the wording ''Calderoni'' and has no characteristics immediately attributable to production [[Aurora]]. {{OnBack|File:1937-11-Catalogo-Calderoni-p06.jpg}} |