(Received 25 July 1979; accepted 12 September 1979)
Published Online: April
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A relationship between the orientations of burr striations in curved ball-point pen strokes and the directions of motion of the pens which produced the strokes is described. The relationship enables directions of ball-point pen motion to be determined from an examination of such striations.
Senior scientific officer, The Metropolitan Police Forensic Science Laboratory, London,
Stock #: JFS12142J