Now here’s a sublimely silly concept. Convert an old manual typewriter into a keyboard that can be used with iPads and other devices.
Watch the video then click the link for more details. You can even order one from the site, but they seem a wee bit expensive….
 Note for younger readers: this was a kind of early word-processing device with an integrated printer. While its editing facilities were limited, its ability to work without power or data connections made it very popular.