Gudumu lokondera
Gudumu limene zolakwika zake zakuthupi zimapangitsa tibowo tina kukhala ndi kuthekera kopitirira 1/37. Ndi losowa, ndipo limadziwika pokhapokha ndi kuzungulira masauzande ambiri kolembedwa.
M’nkhani
FretzipangizoFretChogawa chachitsulo pakati pa tibowo tiwiri pa gudumu.Werengani yonse → lomasuka, rotorzipangizoRotorGawo lozungulira la gudumu limene limanyamula tibowo.Werengani yonse → yopendeka kapena tibowozipangizoKabowoChimodzi mwa tibowo 37 tokhala ndi manambala pa rotor. Kamatchedwanso: slot, cup.Werengani yonse → totha zingasinthe kuthekera ndi tigawo ta peresenti imodzi. Labu imafotokoza momwe mungasiyanitsire zimenezo ndi phokoso lamwayi.
Kupambana kwa Joseph Jagger ku Monte Carlo, cha m’ma 1880, ndiko chitsanzo chodziwika kwambiri. Malinga ndi nkhani yakale kwambiri, kasino inasuntha magudumu ake kuchoka pa tebulo lina kupita lina, kenako inagula atsopano okhala ndi zogawa zosunthika.