7 early typewriters

1. Chirographer - 1845
2. Cembalo scrivano o macchina da scrivere a tasti - 1855
3. Pterotype - 1865
4. Hansen Writing Ball - 1865
5. The Sholes, Glidden, and Soule typewriter - 1868
6. Hammond 1B typewriter - 1870
7. The Oliver typewriter - 1895