First computer with real-time clock?

[William Donzelli]

> My favorite on the opposite end, is a random bit stream produced by
> using the pulses from a geiger counter (and associated radioactive
> material) to clock a long shift register. It's well-discussed, but I'm
> not sure anyone ever produced one.

I *think* some military crypto gear did things link this, but I am not
sure. 

I know that AT&T once marketted a true random bitstream chip using a bunch
of unstable oscillators.

William Donzelli
aw288 at osfn.org