Even with braille, it is still computerized in theory. You have sets of six pins, which send a 1 if punched and a 0 if not (or the other way around). As I said, it would be a kind of mechanical computer, the binary could be a lever rather than an electical impulse.

Very cool to think about, at least if you are a geek. I see the basics of how to design it in my head, but I keep using Victorian era materials. <img src="/images/graemlins/smile.gif" alt="" />