Pfupisa nyaya yacho:  Nyanzvi dzakashamiswa kuti wachi yakagadzirwa makore 300 akapfuura yakaramba ichinyatsoita sekondi imwe chete kwemazuva 100. Chigadzirwa chemazuva ano chinonzi Martin Burgess Clock B chakavakirwa pawachi yaJohn Harrison yomuzana remakore rechi18, yaakagadzira kuti igadzirise dambudziko rokuziva kureba kwenyika mugungwa. Yave iri rutivi rwomuedzo wemazuva 100 paRoyal Observatory, muGreenwich, kuti aone kana kutaura - kwokuti wachi yacho yaisazorasikirwa kana kuti kuwedzera sekondi inopfuura imwe mumazuva 100 - kwaiva kwechokwadi. Martin Burgess Clock B (kuruboshwe), iyo yakavakirwa pachigadzirwa chakaitwa nomupfuri John Harrison (kurudyi) makore 300 akapfuura, yakashamisa nyanzvi nokuramba ichinyatsotaura sekondi kwemazuva 100. Wachi yacho, yakavakwa pachishandiswa zvinhu zvemazuva ano, yakatanga kuiswa kuti ishande gore rakapfuura pashure pokunge yasungirirwa pane imwe mbiru inotsigira yeObservatory. Asi kwakakurumidza kuva pachena kuti kutongwa kwacho kwaizobudirira uye zvisimbiso zvewax zvakaiswa pabutiro racho kuitira kuti kururama kwaro kugone kuoneswa, yakashuma kudaro Independent on Sunday. Nguva yacho yakayerwa pachishandiswa wachi inodzorwa neredhiyo, iyo yakagamuchira chiratidzo chenguva yenyika, uye wachi inotaura yeBT. Jonathan Betts, mumwe mutezo weAntiquarian Horological Society, akati: 'Patinongoisa wachi yacho kushanda kwakanga kuri pachena kuti yakanga ichiita zvakanaka zvinoshamisa, naizvozvo ipapo takaita kuti nyaya yacho ivharwe nokuti hapana munhu aizotenda kuti wachi yacho yakanga ichifamba zvakanaka sei.' Akawedzera kuti wachi yacho yakanga isiri kopi yaHarrison, asi yakashandisa magadzirirwo ake nepfungwa. "Zvakakosha kuziva kuti magadzirirwo ake anopesana nezvose zvakataurwa nesangano kuti ndizvo zvakanakisisa munhoroondo yose", Mr Betts akawedzera. Nguva yemazuva ano yakasimbiswa neGuinness World Records, iyo National Maritime Museum yakasimbisa pa Twitter. Nguva yaMartin Burgess B yave iri rutivi rwomuedzo wemazuva 100 paRoyal Observatory (pamusoro), muGreenwich, kuti aone kana kutaura - kwokuti wachi yacho yaisazorasikirwa kana kuti kuwedzera kupfuura sekondi mumazuva 100 - kwakanga kuri kwechokwadi. Kubvira ipapo wachi yacho yakasimbiswa neGuinness World Records. Apo yakayerwa yakanga iri kuverenga nguva yeUTC...
Martin Burgess Clock B yakavakirwa pamagadzirirwo aJohn Harrison ezana ramakore rechi 18. Wachi yacho yakanga yakasungirirwa pambiru paRoyal Observatory muGreenwich. Nguva yakayerwa uchishandisa wachi inodzorwa neredhiyo uye wachi inotaura yeBT. Yakasimbiswa neGuinness Book of Records, National Maritime Museum yakadaro.