[Amps] James Millen Variable Capacitor

[hermans]

HEY VIC,

Would you also bring me back to 1944 ?

That would be great. Just imagin.........

Jos on4kj


-----Message d'origine-----
De : amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] De
la part de Vic Rosenthal
Envoyé : mardi 21 septembre 2004 20:55
À : dhallam at rapidsys.com
Cc : Amps at Contesting. Com
Objet : Re: [Amps] James Millen Variable Capacitor

David C. Hallam wrote:

> I have a James Millen air variable capacitor and the only marking I
can find
> on it is 125Y5.  None of my reference catalogs have any listing for
Millen
> capacitors.  Can anyone tell me what the capacitance and voltage
rating are
> from that number?  Plate spacing is approximately 0.060-0.070" so I am
> assuming the voltage rating is about 2500 volts.

Millen numbers are all numeric, so that number isn't correct.  It MIGHT
be 
12515, which is 18-151 pf, 0.077" spacing.  In 1944, the cost was $4.50.

-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco

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