Assertion: pen's nib | /r/HasProperty | sharpened
Facets:
value: to extreme fineness
type: OTHER
Source sentences:
text: During the Middle Ages the quill pen was used for the fine delineations of images in manuscripts; its nibs, which can be sharpened to extreme fineness, permit the craftsman to create small linear figures or ornamental decorations on the pages or along the borders of the parchment leaves.