[time-nuts] MIT 2 inch cesium fountain, optically pumped

Jason Rabel jason at extremeoverclocking.com
Thu Nov 20 10:58:01 EST 2014


Actually, I just looked at Hoptroff's website and guess what? Merry
Christmas!

http://www.hoptroff.com/collections/atomic-timepieces/products/no-16


> Some time ago Hoptroff  produced a Cs pocket watch 
> using the Symmetricom SA45s - now how long for a wrist watch !!



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