Typewriters
- LB-QTK-008 QWERTY The QWERTY layout came from 1870s typewriters. The usual story says it stopped the keys jamming; telegraph operators may have shaped it too.
- LB-QTK-009 Mistake Out and Tipp-Ex A Texas secretary invented correction fluid in her kitchen, and a German inventor made correction paper. Her son became one of the Monkees.