Uruziga rubogamye
Uruziga rufise amakosa y'ivyuma atuma utuzu tumwe dushobora gufata kuruta 1/37. Ni gake, kandi rumenyekana gusa n'ukuzunguruka ibihumbi vyanditswe.
Mu nsiguro
Uruhome rw'akazuibikoreshoUruhome rw'akazuUrugabane rw'icuma ruri hagati y'utuzu tubiri ku ruziga.Soma vyose → rudakomeye, rotoribikoreshoRotorIgice c'uruziga kizunguruka gifise utuzu.Soma vyose → yegamye canke utuzuibikoreshoAkazuKimwe mu bibanza 37 bifise inomero kuri rotor. Kandi bita: slot, cup.Soma vyose → dushaje birashobora guhindura ugushoboka ku bice bitoyi vy'ijana. Ikibanza c'Ubushakashatsi gisigura ukuntu wobitandukanya n'urusaku.
Itsinzi rya Joseph Jagger i Monte Carlo, nko mu 1880, ni ryo rizwi cane. Nk'uko inkuru ya kera ivuga, kazino yimuye inziga zayo iziva ku meza imwe ikazishira ku yindi, hanyuma igura inshasha zifise inzitiro zishobora kwimurwa.