▁the ▁Cl im ax , ▁D ex ter , ▁W izard ▁and ▁Junior ▁models . ▁A PS CO ▁became ▁in ▁the ▁next ▁few ▁dec ades ▁the ▁largest ▁p enc il ▁sh ar pen ing ▁machine ▁producer ▁in ▁the ▁world ▁and ▁together ▁with ▁a ▁few ▁other ▁US ▁companies , ▁it ▁domin ated ▁the ▁market . ▁▁ ▁Electric ▁p enc il ▁sh ar pen ers ▁for ▁offices ▁have ▁been ▁made ▁since ▁at ▁least ▁ 1 9 1 7 . ▁ ▁In ▁May ▁ 2 0 1 1 , ▁tour ism ▁officials ▁in ▁Log an , ▁Ohio ▁put ▁on ▁display , ▁in ▁its ▁regional ▁welcome ▁center , ▁hundreds ▁of ▁p enc il ▁sh ar pen ers ▁which ▁had ▁been ▁collected ▁by ▁Rev . ▁Paul ▁Johnson , ▁an ▁Ohio ▁minister ▁who ▁died ▁in ▁ 2 0 1 0 . ▁Johnson , ▁a ▁World ▁War ▁II ▁veter an , ▁had ▁kept ▁his ▁collection ▁of ▁more ▁than ▁ 3 , 4 0 0 ▁sh ar pen ers ▁in ▁a ▁small ▁shed , ▁outside ▁his ▁home ▁in ▁Car bon ▁Hill ▁in ▁sout heast ▁Ohio . ▁He ▁had ▁started ▁collect ing ▁after ▁his ▁wife ▁gave ▁him ▁a ▁few ▁p enc il ▁sh ar pen ers ▁as ▁a ▁gift ▁in ▁the ▁late ▁ 1 9 8 0 s , ▁and ▁kept ▁them ▁organized ▁into ▁categories , ▁including ▁c ats , ▁Christmas , ▁and ▁Disney land . ▁ ▁Man ual ▁sh ar pen ers ▁ ▁Pr ism ▁sh ar pen ers ▁▁ ▁So - called ▁" pr ism " ▁sh ar pen ers