[Hallicrafters] Inductance measurements

[David C. Hallam]

-----Original Message-----
From: hallicrafters-bounces at mailman.qth.net
[mailto:hallicrafters-bounces at mailman.qth.net]On Behalf Of
Troglodite at aol.com
Sent: Friday, December 02, 2005 2:43 PM
To: roy.morgan at nist.gov; magnuson at mac.com; zuu6k at juno.com;
hallicrafters at mailman.qth.net
Subject: Re: [Hallicrafters] Inductance measurements


>In a message dated 12/2/05 1:28:20 PM Central Standard Time,
>roy.morgan at nist.gov writes:

>> Far better is the General Radio  650A bridge - an antique in
>> wooden case but still offered on the  auction place from time to time.
This
>> thing is not easy to operate, but  it's a joy once you get used to it.

>Ah yes, I have one of these. (Or something very close.) Mine is a metal
>cased version, but still a tube model requiring a 1.5V and 45V battery. One
of
>these days I'm going to make an inverter for the 45V, because those
batteries
>are outrageously expensive these days, and have a shelf life less than a
year.
>And for those of you that have one of these GR jewels, remember to lock the
>galvanometer when not in use.

>> I like the old classic stuff. At my  place it is both much appreciated
and
>> repairable.

There are time however that I wish I could use my classic stuff without
working on it all of the time.  My HT-32B after working just fine last night
decided not to have any output today.  I currently have an Invader 200 and a
HT-37 on the bench plus an oscilloscope that decided to act up.

David
KC2JD

>Amen! And even  if used infrequently, you can usually remember HOW to
measure
>something without  having to resort to looking it up in the manual. :-)

>Doug Moore

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