▁to ▁obtain ▁the ▁weights ▁of ▁the ▁various ▁ oun ces ▁in ▁use . ▁After ▁the ▁metric ▁system ▁was ▁introduced , ▁the ▁word ▁on s ▁continued ▁to ▁be ▁used , ▁but ▁for ▁ 1 0 0 ▁g . ▁The ▁on s ▁was ▁elimin ated ▁as ▁a ▁formal ▁unit ▁of ▁measurement ▁in ▁ 1 9 3 7 , ▁but ▁it ▁is ▁still ▁used ▁today ▁in ▁every day ▁parl ance ▁to ▁refer ▁to ▁ 1 0 0 ▁g . ▁In ▁the ▁Netherlands ▁today ▁the ▁word ▁on s ▁does ▁not ▁commonly ▁refer ▁to ▁its ▁historical ▁weight ▁of ▁around ▁ 3 0 ▁g ▁( the ▁exact ▁weight ▁depending ▁on ▁where ▁you ▁were ), ▁but ▁to ▁ 1 0 0 ▁g . ▁ ▁Last ▁or ▁Sch ee ps last ▁▁ ▁sche eps last ▁– ▁ 4 , 0 0 0 ▁Amsterdam ▁p ond ▁= ▁▁ ▁Mean ing ▁literally ▁a ▁" load ", ▁a ▁last ▁was ▁essentially ▁the ▁equivalent ▁of ▁ ▁of ▁sh ipping ▁space . ▁A ▁last ▁in ▁the ▁Dutch ▁East ▁India ▁Company ▁( V OC ) ▁in ▁the ▁ 1 7 th ▁century ▁was ▁about ▁the ▁same ▁as ▁ 1 , 2 5 0   kg , ▁becoming ▁later ▁as ▁much ▁as ▁ 2 , 0 0 0   kg . ▁ ▁In ▁the ▁Dutch ▁fish ery , ▁a ▁last ▁was ▁a ▁measurement ▁of ▁the ▁fish ▁loaded ▁into ▁the ▁various ▁types ▁of ▁fish ing ▁boat ▁in ▁use ▁( e . g . ▁a ▁bom sch uit , ▁bu is , ▁slo ep ▁or ▁logger ). ▁The ▁last ▁of