What do the following items have in common: the Declaration of Independence, Da Vinci’s notebooks, Bach’s musical scores, Rembrandt’s drawings, Shakespeare’s plays, and the Magna Carta?
Give up?
These examples, along with countless other documents ranging from the historically important to the more mundane, were all recorded using iron gall ink, which is made – in part – from the protrusions created after oak gall wasps lay their eggs within oak trees. [Read more…] about Making Ink From Oak Galls: Some History & Science
