[time-nuts] A small piece on HP's hydrogen maser in 1968
Had
had at to-way.com
Mon Feb 24 16:57:52 UTC 2014
http://www.hp.com/hpinfo/abouthp/histnfacts/publications/measure/pdf/1968_09
.pdf
Rick, I got the above to work with no problem. The original link was busted.
Had
K7MLR
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