|Note_en=for sure between 1915 and 1918 citing the war, we say 1915 beeing almost the same of [[:File:1915-Waterman-Ideal-PSF.jpg]]. Advertising the different kind of model by filling system: ''Regulier'', [[P.S.F.]] (''[[Pocket Self Filler]]'') and ''[[Safety]]'' but show only a [[Waterman 52|52]]. | |Note_en=for sure between 1915 and 1918 citing the war, we say 1915 beeing almost the same of [[:File:1915-Waterman-Ideal-PSF.jpg]]. Advertising the different kind of model by filling system: ''Regulier'', [[P.S.F.]] (''[[Pocket Self Filler]]'') and ''[[Safety]]'' but show only a [[Waterman 52|52]]. |