31-07-2018, 06:25 AM
EMMA. Your example can also be explained by the quality of parchment (local irregularities, fibers).
The pen has a longitudinal section D, which divides the pen into two halves B and C. When writing, the clerk holds the pen at an angle of 60-70 to the parchment. When the pen moves down, the frictional force is less. When moving upwards (especially if the parchment has local irregularities), the resistance increases. Each of the halves of B and C can react differently. A flat - parallel shift B and C (view A) occurs, resulting in an increase in line thickness (lilac size) and increased ink flow.
The pen has a longitudinal section D, which divides the pen into two halves B and C. When writing, the clerk holds the pen at an angle of 60-70 to the parchment. When the pen moves down, the frictional force is less. When moving upwards (especially if the parchment has local irregularities), the resistance increases. Each of the halves of B and C can react differently. A flat - parallel shift B and C (view A) occurs, resulting in an increase in line thickness (lilac size) and increased ink flow.
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