Hello to the group. I did read the book several years ago. Its quite good and I had no idea about any of this. Sort of amazing. So the fact that PBS is doing a show on this is going to be good to watch tonight. Thank you for sharing. Regards Paul WB8TSL
On Tue, Jan 16, 2018 at 1:08 PM, Azelio Boriani <[email protected]> wrote: > >>...he would wear it on the outside of his wrist instead of the inside, > so that gravity changed the rate of the tuning fork... > Sort of manual turbillon... > > On Tue, Jan 16, 2018 at 4:04 PM, Tom Van Baak <[email protected]> wrote: > > I can't stress enough how important Loomis was to the history of precise > timekeeping in early radio, telephone, pendulum clock, quartz oscillator > era. And for those of us who still have Loran-C receivers can thank him > (Loomis Radio Navigation -> LRN -> Loran). > > > > So I highly recommend the 2003 book "Tuxedo Park" by Jennet Conant: > > http://www.simonandschuster.com/books/Tuxedo-Park/Jennet- > Conant/9780684872889 > > > > Our kind of guy. In the "Palace of Science" chapter she writes: Loomis > would remain a "time nut" for the rest of his life, according to Luis > Alvarez, who recalled that Loomis always wore "two Accutrons--one on his > right wrist and one on his left wrist." He would check them every day > against WWV (the standard frequency broadcasting station of the National > Bureau of Standards), and if one was gaining a half second on the other, he > would wear it on the outside of his wrist instead of the inside, so that > gravity changed the rate of the tuning fork and the two watches tracked > each other, and WWV, "to within less than a second a day." > > > > > > > > Some other Loomis links of interest: > > > > https://en.wikipedia.org/wiki/Alfred_Lee_Loomis > > https://en.wikipedia.org/wiki/LORAN > > https://timeandnavigation.si.edu/navigating-air/navigation- > at-war/new-era-in-time-and-navigation/alfred-loomis > > http://www.ob-ultrasound.net/loomis.html > > http://leapsecond.com/pages/loomis/ > > > > > > And the clever way to do time transfer and compare precision clocks to 1 > ms in the 1930's... > > > > http://leapsecond.com/pend/shortt/1931-RAS-Precise- > Measurement-Time-Loomis.pdf > > > > > > Also the classic "The Evolution of the Quartz Crystal Clock" by Warren > A. Marrison: > > > > https://ieee-uffc.org/about-us/history/uffc-s-history/the- > evolution-of-the-quartz-crystal-clock/ > > via https://ieee-uffc.org/about-us/history/uffc-s-history/ > > and original at https://archive.org/details/bstj27-3-510 > > > > > > If someone knows how to record any time/clock/navigation parts of PBS > show for non-US viewers let me know, off-list. > > > > /tvb > > > > > > ----- Original Message ----- > > From: "Hal Murray" <[email protected]> > > To: <[email protected]> > > Cc: "Hal Murray" <[email protected]> > > Sent: Tuesday, January 16, 2018 1:42 AM > > Subject: [time-nuts] PBS, Tue evening, The Secret of Tuxedo Park > > > > > >> (Sorry for the clutter to those of you outside the US.) > >> > >> http://www.pbs.org/wgbh/americanexperience/films/secret-tuxedo-park/ > >> Two of the shorts mentions time. > >> > >> Many thanks for the Tuxedo Park book suggestion many years ago. > >> > >> > >> -- > >> These are my opinions. I hate spam. > >> > > > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > > and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
