 Ramba uchinyora ndima iyi - Nzendo dzokuBritain dzose dzakanga dzichishandisa midziyo ine okisijeni yakavhurika, sezvakakurudzirwa naGeorge Finch, Noel Odell, naPeter Lloyd. Chigadzirwa cheokisijeni chakavhurika chakaedzwa muna 1922 pauye 1924 nzendo dzeBritish Everest; okisijeni yomumabhodhoro yakatorwa nenzendo ya1921 haina kushandiswa. Chimiro chokutakura chakashandiswa muna 1922 na1924 chine masirinda mana eoksijeni kana kuti gas airema hefty 32 lb 14.5 kg, kunyange zvazvo vanokwira dzimwe nguva semuenzaniso kukwira kwokupedzisira kwaMallory naIrvine vaingotakura masirinda maviri chete mumwe nomumwe. Masilinda mana aiva neokisijeni inosvika marita 960, yaizokwana maawa masere pamwero wenguva dzose wemarita maviri paminiti kana kuti maawa manomwe pamwero we2.2 Lmin. 