old transistors photo

[patchell]

terry michaels wrote:

> >Toby Paddock wrote:
>
> > In cleaning up the garage (the...  horror), I ran across some old
> > transistors.
> > I got them in the late 60's I think from someone who got them from
> > someone who got them from someplace.
> > Anyway, here is a picture if anyone is interested:
> >
> > http://www.seanet.com/~tpaddock/images/old_trans_m.jpg   80K
> > http://www.seanet.com/~tpaddock/images/old_trans_l.jpg   267K
> >
> > I'm guessing mostly germanium by the age and a quick
> > ohmmeter check. Some may be newer parts, there is some
> > obviously newer stuff in the same box.
> >
> > Also, I noticed that the leads of most of them are ferrous.
> > They stick to my tweezers that somehow got magnetized.
> >
> > What would a distortion box using selenium rectifiers sound like?
> > I think there may be some of those still hiding around here. :)
> >
> >  - -- -  Toby Paddock<
>
> Hi Toby:
>
> The two  rectangular black transistors with the clear plastic base in the
> upper right corner of the photo appear to be the Raytheon CK722.  That was
> the first transistor intended for the hobbyist market, and was popular in
> the early '50s.  A detailed history of this device is available at:
>
> http://www.geocities.com/ResearchTriangle/Campus/4724/index.html
>
> BTW, I sold a CK722 on Ebay for $40.00 last year, a good example of a
> "collectible" type item.
>
> Terry Michaels

    Please tell me that you are lying.  Tell me that is a big fib! :-)

    I was given a transistor radio back in the late 60's that was made
sometime in the 50's.  It was about the size of a lunchbox.  It was
constructed like a tube radio, point to point wiring, the transistors were in
sockets.  Some of them were Ck722's.  I remember that because it was the first
time I had ever seen a real one.  There were a couple of other types in there
as well.  I threw the radio away!  One of the few times I threw a piece of
junk away.  I kind of wonder if the thing would have actually been worth
anything these days.

--
 -Jim
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