|Note_en=Confirmed from date of a similar AD ([http://oldfrenchadverts.weebly.com/pens--inks.html], L'Illustration, Issue No 3794, November, 15 1910). Advertising for an eydropper ''[[overfeed]]'' model named ''[[Swan Safety Pen|Swan Safety Pen 2C]]'', with a screw cap, called ''safety'' for this reason. | |Note_en=Confirmed from date of a similar AD ([http://oldfrenchadverts.weebly.com/pens--inks.html], L'Illustration, Issue No 3794, November, 15 1910). Advertising for an eydropper ''[[overfeed]]'' model named ''[[Swan Safety Pen|Swan Safety Pen 2C]]'', with a screw cap, called ''safety'' for this reason. |