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Haff Ruling Pen – Islamic Art Supplies
HAFF PS4A drafting set, c. 1950s. The lens attaches to the pricker and provides 4x magnification; the 133APK ruling pen is designed for inking lines from 0.8 mm down to an extra-fine
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Thomas Hoyer Haff Ruling Pen (629 U) - John Neal Books
Haff Ruling Pen – Islamic Art Supplies
Quick Guide: How to use a Ruling Pen — Jeea Mirza
Quick Guide: How to use a Ruling Pen — Jeea Mirza
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Haff Ruling Pen – Islamic Art Supplies
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Haff Ruling Pen – Islamic Art Supplies
