But when made for seaman's use, the only features that were necessary were the sights, the thread and plummet, and the degree scale.
Kodwa xa yenziwe ukuba umntu ayisebenzise, impawu kodwa ezibalulekileyo zizikhanyisi, imisonto, nelothe efakwa kumtya wokuloba neqondo lesikali.XhosaNavy XhosaNavy