[time-nuts] Surplus Guidelines, was: Rubidium Standard
Poul-Henning Kamp
phk at phk.freebsd.dk
Sun Dec 10 16:01:26 EST 2006
In message <D891702134D46242B089F044A1C20CD1025DA3 at deuterium.delien.local>, =?iso-8859-1?Q?Rob
ert_Deli=EBn?= writes:
>> > What is the blacken from, the rubidium itself?
>>
>> Yes, the rubidium enters the glass and that blackens it.
>
>Isn't it deposited metal from the filament that blackens the glass?
No.
Therei is no filament. The Rubidium lamps are excited with a UHF
field which is external to the bulb.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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