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.
- apple sauce
- applesauce
- apple scab
- apple scoop
- Appleseed, Johnny
- apple-shaped
- apple slump
- apple snail
- apple snow
- apple-squire
- apples to apples
- apples to oranges
- apple strudel
- apple sucker
- applet
- appletini
- Appleton layer
- Appleton, Sir Edward Victor
- apple tree
- apple-tree borer
- apple turnover
- Apple Valley
- apple water
- apple-wife
- apple wine