First computer with real-time clock?

[Tom Jennings]

On Sun, 2004-08-01 at 15:42, Vintage Computer Festival wrote:

> Right.  So what I'm trying to determine now is whether the IBM 650 had an
> internal hardware counter facility that could be accessed from within
> software to allow for keeping time.  And if not, were there any clock
> products IBM made that could interface to the 650 to generate the local
> time/date upon being polled?

Ahh, specifically 650 -- I'll ask around. 

(Wouldn't a hardware manual and/or programers manual help here?)