|Note_en=Confirmed by a letter reporting for some duration test showed in a page. From an [[Edacoto]] catalog for its mechanical pencils and its fountain pens, showing also some [[Aurora]] pens. Second page. [[Edacoto]] mechanical pencils. | |Note_en=Confirmed by a letter reporting for some duration test showed in a page. From an [[Edacoto]] catalog for its mechanical pencils and its fountain pens, showing also some [[Aurora]] pens. Second page. [[Edacoto]] mechanical pencils. |