Nyorera kupfuurira kweiyi ndima - Nhoroondo yekugadzirwa kwemicroscope yemagetsi muCzechoslovakia inodzokera kuma1950 apo boka rinotungamirirwa naArmin Delong muBrno rakatanga kugadzira microscopes. Chimwe chezvinhu zviduku zvokutanga zvakabudirira chaiva Tesla BS 242, iyo yakawana menduru yegoridhe paEXPO 1958
. Mukati memakore 30 okuvapo kwayo, Tesla yakabudisa mhando dzakasiyana-siyana dzemicroscopes dzinopfuura 3,000 idzo dzakatumirwa kunyika dzinopfuura 20.