HP made one with a sync motor running a Veeder Root counter. Something like a 115A. Runs off 100 KHz from their crystal oscillator. Neet unit. It does "sing" a bit.
-John ================ > In message <[email protected]>, Bob Camp writes: >>Hi >> >>Maybe a system using a rotary electrical machine synchronous to the power >> line driving a system of gears. and pointers on a dial > > That is what was known as a "synchronous clock". Tom has one running > off his atoms on his web-page... > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > [email protected] | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by > incompetence. > > _______________________________________________ > 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.
