|Note_en= Advertising for the [[Parker 51]] model in both regular and ''demi-size'' sizes, and the version with laminated gold cap and barrel called ''[[Flighter]]''. Describing the [[Aero-metric Ink System]], with the ''[[Foto-fill filler]]'' and the ''[[Pli-glass]]'' reservoir. Mention also the [[Parker 21]] and [[Parkette]] models and the ''[[Superchrome Ink]]''. | |Note_en= Advertising for the [[Parker 51]] model in both regular and ''demi-size'' sizes, and the version with laminated gold cap and barrel called ''[[Flighter]]''. Describing the [[Aero-metric Ink System]], with the ''[[Foto-fill filler]]'' and the ''[[Pli-glass]]'' reservoir. Mention also the [[Parker 21]] and [[Parkette]] models and the ''[[Superchrome Ink]]''. |