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.
- electoral
- electoral college
- electorally
- electoral register
- electoral roll
- electoral vote
- electorate
- electorate MP
- electorate vote
- Elector Palatine
- electorship
- Electra
- Electra complex
- electralise
- electralize
- electress
- electret
- electric
- electric action
- electrical
- electrical cable
- electrical chair
- electrical charge
- electrical conductivity
- electrical engineer