[time-nuts] HP 5071A Electron Multiplier of Cesium Beam Tube

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Sep 6 19:27:18 UTC 2009


In message <1611.12.6.201.101.1252264616.squirrel at popacctsnew.quik.com>, "J. Fo
rster" writes:

>I'm not so sure. If you cut open the tube and then immediately rinsed the
>insides with deionized water, then the acid etch, I doubt there'd be much
>Cs left after 5 minutes. Now there could well be nooks, crannies, or cul
>de sacs that are all but impossible to wash out. I can certainly believe
>that.

While you may be able to get away with that in your garage, I can
certainly see why HP didn't want to do it at work:



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