Bob, Rubidium lamps are purpose designed for particular units.
However The Efratom threaded ones are mostly interchangeable. I'll see about taking a PIX of a variety of lamps and posting it. Something along the lines of the Rubidium Cell PIX I took at: http://www.leapsecond.com/pages/rb-cells/ Corby ____________________________________________________________ Woman is 53 But Looks 25 Mom reveals 1 simple wrinkle trick that has angered doctors... http://thirdpartyoffers.juno.com/TGL3141/50a51962109e7196170bdst04duc _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.