printing key frame
now historical
noun
A typewriter for producing embossed type, designed for use by blind people.
- The device was patented by Pierre Foucault in 1849 and was exhibited in London at the Great Exhibition of 1851..
Origin
Mid 19th century.
- expresser
- expressible
- expression
- expressional
- expressionism
- expressionist
- expressionistic
- expressionistically
- expressionless
- expressionlessly
- expressionlessness
- expression mark
- expressive
- expressively
- expressiveness
- expressivity
- express lane
- express lift
- expressly
- express rifle
- express train
- expressway
- expropriate
- expropriation
- expropriator