1. Ruling penA ruling pen is a drawing instrument for drawing with ink or with other drawing fluids. A ruling pen contains ink in a slot between two flexible metal jaws, which are tapered to a point. It enables precise rendering of the thinnest lines. The line width can be adjusted by an adjustment screw connecting the jaws. The adjustment screw can optionally have a number dial.
Read “Ruling pen” on English Wikipedia
Read “カラス口” on Japanese Wikipedia
Read “Ruling pen” on DBpedia
Read “Ruling pen” on English Wikipedia
Read “カラス口” on Japanese Wikipedia
Read “Ruling pen” on DBpedia
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