Another version of the inch is also believed to have been derived from the width of a human thumb, where the length was obtained from averaging the width of three thumbs: a small, a medium, and a large one.    C?vata, a?abeyç yahut mühür parçalar üzerinde haz?rlanm?? olan deli?e yerle?tirilerek ekseriya somunu s?kmak suretiyle ba?lamlamay?