|Note_it=Pagina 5. Fa riferimeto ad una rientrante [[Advertised brand:Aurora]], ma quella illustrata riporta una dicitura ''Calderoni'' e non ha caratteristiche immediatamente riconducibili alla produzione [[Aurora]]. {{SulRetro|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}}