on February 24, 2024, 8:19 pm, in reply to "remind me - why does nib have double breather holes?"
the double hole nibs from Pelikan were mostly DEF nibs which were very firm. At that time copies were made using carbon paper between pages and the nibs had to handle pressure. The 2 holes were stabilizing the nib. So far as I remember it’s also called a manifold nib.
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