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.
- water lot
- water louse
- water lung
- water lute
- waterly
- water-mail
- water main
- water maker
- water mallow
- waterman
- watermanship
- waterman's knot
- water maple
- water marigold
- watermark
- watermark detector
- watermark disease
- water mass
- water maze
- water meadow
- water meal
- water measure
- water measurer
- watermelon
- water merchant