Tom Van Baak wrote: >> The Shortt pendulum was of great interest - what could 70 years >> of relentlessly advancing technology have to improve on it? >> That is a top priority, behind consulting commitments, financial >> management, home maintenance, building computers and looking for >> business. Which is to say, I've bought things but haven't had any >> time to do anything with them, like the Invar rod. >> > > I would be interested if others of you time-nuts are also > involved with pendulum clocks. At the surface it might > seem odd that with today's technology that anyone would > want to spend time with pendulum clocks. But there are > several hundred guys around the world who are spending > a great deal of time working on modern pendulum clocks. > > The history, science, and technology of these things is > far, far deeper than you might think. Here I can make a > plug for Jim's website: > http://www.clockvault.com/heritage/index.htm > and also have a look at Bill's amazing creations: > http://www.precisionclocks.com/ > > I really like my cesium clocks, but you've got to admit > these old (Riefler and Shortt) and new (Q1 and Q2) > are much better eye candy and old HP or FTS clock. > > > Stuff snipped > /tvb > http://www.LeapSecond.com There was a series of articles in The Home Shop Machinist starting in the September/October 2000 issue that described construction of a Free Pendulum clock
I think I can find all of the articles if some one wants them Bill K7NOM (not really nutty about time) _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts