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Show Antlultjr of the AUIre rnii, Tbo water pump of today t bet an IniiroYtment on a (Jreclan Itncnllon which tint came Into uw diuinj; the relffu of PtolemlM rhllaleli Imm aul huerKttet 2KI to HI 11. U. The nam, u blch it very nlmllar In all langutgca, I rierhed from the (itwk word pernio, to tend or throw, The mo-it nnclent do-acrlpttmi do-acrlpttmi no havo cf a water pnmp 1 by Hero, of Alexandre, There li no au thentlo acoount of tho geuernl tue of the pnmplii Germany iiroMoiutu tho Wiii idtiif of the blxtventh century. At about that time the in llwa chain and bucket work for raliliijt water from mini bo-fan bo-fan to be replaced by pumjia. In the betenternth century rot at Ins I unii. like the t'appenhnm en nint. with two pinto?.-;, and tho lrinco Itujwrt.wllU one,wreh'tHd rumpaullh ilung-r jiiton were iuvente-l by Morland, an l&gllihman, lu ICTIj the double acting pomp, by lMh lllro, the French acude-mlcluu acude-mlcluu New Vork TvlvtTitio. |