Modifiche

|Ritocchi=yes

|Ritocchi=yes

|Tema=volo,scuola

|Tema=volo,scuola

|Note_it=Pubblicizza le varie versioni del modello [[Advertised Model::Duofold]]. Cita il [[Advertised Feature::Pressureless Touch]] come [[Parker improvements|47-simo miglioramento]] e la [[celluloide]] chiamata [[Advertised Feature::Permanite]]. {{LeftPage|File:1929-09-Parker-Duofold-Right.jpg}}  

|Note_it=Pubblicizza le varie versioni del modello [[Advertised Model::Duofold]]. Cita il [[Advertised Feature::Pressureless Touch]] come [[Parker improvements|47-simo miglioramento]] e la [[celluloide]] chiamata [[Advertised Feature::Permanite]]. {{LeftPage|File:1929-09-Parker-Duofold-SchoolOffice-Right.jpg}}  

|Note_en=Advertising for the different versions of the [[Duofold]] model. Citing [[Advertised Feature::Pressureless Touch]] as [[Parker improvements|47-th improvement]] and the use of [[celluloid]], called [[Permanite]]. Left page.

|Note_en=Advertising for the different versions of the [[Duofold]] model. Citing [[Advertised Feature::Pressureless Touch]] as [[Parker improvements|47-th improvement]] and the use of [[celluloid]], called [[Permanite]]. Left page.

}}

}}