Filling a much-needed gap

One of the major problems for writers is that the machine we use to write is connected to the biggest engine of distraction ever invented. One can always disconnect, of course - there's even software that locks out the internet and email for selected periods - or use a separate, isolated computer, but I think something more elegant as well as radical is needed.

What I'm thinking of is some purely mechanical device, that took the basic QWERTY keyboard with Shift and Return keys and so on, but w...