In message <[email protected]>, Jim Lux writes: >On 1/23/12 1:20 PM, Doug Millar wrote:
>> A mercury mirror is better than a plumb bob. But not much. Both of them are subject to aberations of the local gravity vector (any mountains, valleys near by ?) and in the case of a rotating liquid metal mirror to a lesser degree to interaction with the earths magnetic field. -- 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.
