> Not sure what you mean by "current" pendulum clocks. I think modern > commercial pendulum clocks are nowhere as accurate as the > state-of-the-art pendulum clocks of the 1920's.
I was thinking of serious (crazy/nutty) amateurs, assuming they would be better than what is now available commercially. > Yes, it is a neat benchmark. Not a few modern clock makers have tried > to reproduce or improve on the old masters. It turns out a pendulum > clock needs to be accurate (stable) to 1e-7 or 1e-8 for tau from an > hour to a day in order for it to "detect" tides. See this article I > wrote a while back on the subject: > Lunar/Solar Tides and Pendulum Clocks (part 1) > http://www.leapsecond.com/hsn2006/ch1.htm Nice. Thanks. Did you ever write chapter 2? -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
