Hi Tom, The picture I attached was from the 5061B sales brochure, and probably taken in 1986. I recognize the guy in the photo, I think he was a marketing engineer, but I can't remember his name. Hugh
From: time-nuts <[email protected]> On Behalf Of Tom Van Baak Sent: Saturday, January 5, 2019 11:16 AM To: Discussion of precise time and frequency measurement <[email protected]> Subject: Re: [time-nuts] Part 2: Atomic Clocks: It is important that they keep good time. Hugh, What year is your photo from? Here's a similar, but older photo of hp's house standard: http://leapsecond.com/history/Benchmark.htm<http://leapsecond.com/history/Benchmark.htm> This was from roughly 1966 (note the dual hp 5060A). The HPJ issue containing that article is here: http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1966-08.pdf The house standard is featured on page 20, but there's also a glimpse of it on the top of page 15. /tvb ----- Original Message ----- From: "Rice, Hugh (IPH Writing Systems)" <[email protected]<mailto:[email protected]>> To: <[email protected]<mailto:[email protected]>> Sent: Friday, January 04, 2019 4:07 PM Subject: [time-nuts] Part 2: Atomic Clocks: It is important that they keep good time. HP's Santa Clara Division (SCD), in addition to building the Cesium Beam Frequency Standard Atomic Clocks, was an official time-keeper for the U.S. Naval Observatory, maintaining the west coast reference for Coordinated Universal Time. This was done in our standards lab where we kept a rack of several HP Cesium standards. Hopefully the attached picture of the lab comes through for some of you. ... _______________________________________________ time-nuts mailing list -- [email protected]<mailto:[email protected]> To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com<http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com> and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
