Pedzisa mutsara unotevera: B.A. hurongwa hwezvikamu zvinoshanda hwakawana rutsigiro rwakakura rwenyika yose, uye hwakagamuchirwa <unk> neshanduko imwe inokosha <unk> ne
Musangano Wokutanga Wenyika Dzose Wavashandi Vemagetsi (Paris, 1881). Sangano reBritish rakanga ravaka chimiro chemufananidzo weohm (urefu hwakaenzana hwetambo yekuramba iyo yakanga iine kuramba kwe109 CGS mayuniti emagetsi ekudzivirira, ndiko kuti, ohm imwe) nepo musangano wepasi rose wakasarudza nzira yekuita iyo inogona kudzokororwa mumarabhoritari akasiyana munyika dzakasiyana. Nzira yakasarudzwa yakavakirwa pakuramba kwe mercury, nekuyera kushorwa kwekoramu ye mercury yehukuru hwakatsanangurwa (106 cm × 1 mm2): zvisinei, kureba kwakasarudzwa kwekoramu kwaive kwakapfupika nemamilimita matatu, zvichitungamira kumusiyano we0.28% pakati pemayuniti matsva anoshanda uye mauniti eCGS ayo aifungidzirwa kuti aive hwaro hwavo.