[Boatanchors] Capacitor Information?

[Pete Lancashire]

1928

http://www.radiolabworks.com/vintagedocs/1928%20Cardwell%20Catalogue.pdf



On Mon, Mar 31, 2014 at 11:34 AM, Pete Lancashire
<pete at petelancashire.com>wrote:

> 1935
>
> http://www.n1bug.com/files/1935-6-Cardwell-catalog.pdf
>
> Try pdf page 10
>
>
>
> On Mon, Mar 31, 2014 at 11:20 AM, mac <w7qho at aol.com> wrote:
>
>> Went to look up Cardwell in my 1943 Radios Master and found the pages
>> listed for them missing (H-55 to H 60).  No evidence of being torn or cut
>> out somewhere along the way, just not there.  Interesting.........
>>
>> Dennis D.  W7QHO
>> Glendale, CA
>>
>> ***************
>>
>> On Mar 31, 2014, at 10:01 AM, Richard Knoppow wrote:
>>
>>
>>>    Fixed air dielectric caps were pretty common and I think all the
>>> larger manufacturers of air caps made them. They were used mostly in
>>> transmitters and antenna tuners. Air dielectric caps have the advantages of
>>> extremely low loss and good stability, only vacuum capacitors have are
>>> superior.  I do not know if there is any Cardwell literature on line. They
>>> were a very old and well respected capacitor manufacturer who advertised in
>>> QST and the ARRL handbook for decades.
>>>
>>>
>>> --
>>> Richard Knoppow
>>> Los Angeles
>>> WB6KBL
>>> dickburk at ix.netcom.com
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>>
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>
>