NavList thread: Re: timepiece history - when did second accuracybecome feasible

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28 Oct 2007, 17:03 | Michael Daly
28 Oct 2007, 17:58 | Greg R_
28 Oct 2007, 18:56 | Lu Abel
29 Oct 2007, 00:06 | Dan Allen
01 Nov 2007, 23:32 | George Huxtable