PM2390 Clock and Sector writer

Al Kossow aek at bitsavers.org
Mon May 6 16:41:30 CDT 2019



On 5/6/19 2:17 PM, Chuck Guzis via cctalk wrote:
> it's a piece of Telco gear for
> the 1A ESS.

the Pacific Bell property tag should be a clue..




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