|Note_en=Advertising for the [[Vacumatic]] model for its transparent barrel called ''"[[Ever Visible Ink Supply]]"'' and the [[vacumatic filler]] called also ''[[diaphragm]] filler'' and for beeing built in unbreakable ''"[[Permanite]]"''. Showing also a ''"Doubly Leakproof"'' ''"Parker [[Quink]] Safety Container"'' travel ink bottle. Explicit mention of patents {{Cite patent|GB|318982}} and {{Cite patent|GB|417546}}. | |Note_en=Advertising for the [[Vacumatic]] model for its transparent barrel called ''"[[Ever Visible Ink Supply]]"'' and the [[vacumatic filler]] called also ''[[diaphragm]] filler'' and for beeing built in unbreakable ''"[[Permanite]]"''. Showing also a ''"Doubly Leakproof"'' ''"Parker [[Quink]] Safety Container"'' travel ink bottle. Explicit mention of patents {{Cite patent|GB|318982}} and {{Cite patent|GB|417546}}. |