Wednesday, November 25, 2015

Word of the day: iron gall ink

The word of the day is iron gall ink:

At its simplest, iron gall ink is made from four main ingredients:

  • gall nuts (source of tannins),
  • iron sulfate (source of iron),
  • water (solvent),
  • gum arabic (binder).

"Rubenstein's Magna Carta, written in iron gall ink on sheepskin parchment, is on long-term loan to the National Archives."

 - Laura Demanski, "Chartered philanthropy: As the historic document turns 800, David M. Rubenstein, JD '73, reflects on preserving a Magna Carta in the United States", Fall 2015 The University of Chicago Magazine (

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