Re: Cloud chambers

[Bernard Cleyet <anngeorg@PACBELL.NET>]

I didn't mention the "really" cheapies I also inherited from UCB.  In
searching for more info on the deluxe ones, I found this:

http://www.nuc.berkeley.edu/news/Sci_teachers_workshop/cloud.htm

the drwng near the bottom is the cheapie.

bc, about to throw them out.


Bernard Cleyet wrote:

> I have since found the UCB cloud chambers.   Home made as just about
> all of their ed. apparatuses, to at least ~ the 90's.  It has both a
> clearing field and a heater!
>
> The power cord leads to a full wave rectifier, in the bottom, the
> output of which goes to banana jacks.  The lid has, inside, three in
> series wire wound resistors connected to a banana plugs cord.  One of
> the ban. cords is also connected to the inside of the bottom layer of
> the lid, aluminum.
>
> bc
>
> p.s. photo's available to those who squeak.
>
> Bernard Cleyet wrote:
>
> cut
>
> > Denardo purchased one for the Modern Phys. Lab I "run".  It is
> > impressive and additional source(s) are unnecessary at least in a
> > concrete building.  Cosmic ray dendritus may be all we saw.  For a
> > time UCB had an experiment using rather small (~ half the diameter of
> > Cenco's) Chambers.  I took several at the not so recent give away,
> > and haven't tried one.
>
>
> cut