 Ramba uchinyora ndima iyi - Yard uye Troy pound zvakarasika muna 1834 apo moto wakaparadza chikamu cheWestminster Palace. Zvichitevera mushumo wakabudiswa muna 1841 nekomisheni, chiyero chitsva cheyardi nepaundi chakagadzirwa pachishandiswa manyuko epasipo akanakisisa. Kusiyana nechiyero chakapfuura, chiyero chitsva chepondo, chakaitwa neplatinamu, chaiva paundi avoirdupois. Chivanze chitsva, chakareba zvishoma kupfuura chivanze kudzivisa kupfeka sezvakaitika nemètre des Archives, chakaitwa nemhangura uye chaiva nemapuranga maviri endarama pedyo nomugumo wacho. Zvikanganiso zvaiva pamapombi zvairatidza kureba kwechivanze chacho. Iwo akagamuchirwa neChiito cheParamende semipimo yokureba nouremu muna 1855. Zvichitevera kukakavadzana pamusoro pemagaroni akasiyana-siyana akanga agamuchirwa neUnited States neUnited Kingdom makore makumi matatu akanga apfuura, imwe yemakopi eyardi yenguva dzose nepondo yeavoirdupois inozivikanwa muUnited States seMint pound yakapiwa uye yakagamuchirwa neHurumende yeUnited States. 