Carbon paper
Papel carbón
- Date
- 1806 · confidence medium
- Place
- London, England, United Kingdom
- Credited to
- Ralph Wedgwood
- Field
- Knowledge & symbols
⚠️ Disputed: the sources disagree.
What it is
A sheet of thin paper coated with ink or pigment that, placed between two papers, copies what is written under pressure. Wedgwood patented it as a 'stylographic writer' for the blind.
Pellegrino Turri built around 1808 a typewriter with copy sheets for a blind countess; the invention's origin is disputed.
What it led to
- copies of letters and invoices
- typewriter duplicates
- multi-part forms