Hi Tom: I've been looking at patents for secondary clocks and find that there's two class numbers: 368/59 is Horology/Secondary and 968/548 is Horology/stepping secondary.
Do you know what the difference is between the two top class numbers both called Horology? Have Fun, Brooke Clarke http://www.PRC68.com http://www.pacificsites.com/~brooke/PRC68COM.shtml http://www.precisionclock.com _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
