🛠️ Invention or technique

Reservoir pen of Caliph al-Mu'izz

Pluma con depósito de tinta del califa al-Muizz

Date
953 · confidence medium
Place
al-Mansuriya, Kairouan, Tunisia
Credited to
Craftsmen of the Fatimid caliph al-Mu'izz li-Din Allah
Field
Knowledge & symbols

⚠️ Disputed: the sources disagree.

What it is

The qadi al-Nu'man relates that the caliph asked for a pen that would not stain, and was given a metal one with an internal reservoir that released ink only while writing. It is the earliest known description of a fountain pen.

It is known only from the account of qadi al-Nu'man (Kitab al-Majalis wa-l-Musayarat); no example survives and there are insufficient technical details.

What it led to

  • concept of the reservoir pen
  • European fountain pens of the 17th century
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Sources✓ verified 2026-09-25