Thanks had not seen it before. Now thats a real C reference. You can refill the Cs it seems as simple as dumping new Cs stuff in the oven and bolting it in. ;-) Well maybe not. All that said pretty amazing how small they ended up making them. Regards Paul
On Tue, May 8, 2012 at 6:52 AM, Rob Kimberley <[email protected]>wrote: > Mike, > > Thanks for posting that. A wonderful film, and a great insight into early > Cs > development. > > I was lucky to see one of their Cs fountains a few years ago when attending > an NPL T&F Club meeting. They also gave us a view of the work being done on > optical clocks. > > Louis Essen would have been most impressed. > > Rob Kimberley > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Michael Costolo > Sent: 08 May 2012 11:22 > To: [email protected] > Subject: [time-nuts] First "accurate" atomic clock video > > I've always been fascinated with science history. If you all haven't seen > this already, here is a video from 1955 about the first "accurate" cesium > atomic clock designed by Louis Essen and made in the UK's National Physical > Laboratory. Interesting that the one made after the prototype was 17 feet > long. > > http://www.youtube.com/watch?feature=player_embedded&v=MGoVXLzUDsQ > > -Mike- > _______________________________________________ > time-nuts mailing list -- [email protected] To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
