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Join Date: Oct 2019
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Vintage (?) Generator Tester and Regulator

10/18/2019 12:41 PM

My father passed away in 2004. When going through his things, we found a Hoyt Electrical Instrument Works, Inc. Hoyt Generator and Regulator Tester No. GT-18. I recently ran across it again and am wondering how old it is and if it would be worth anything to a collector. I contacted the company and they suggested I post in this forum. It seems to be complete, including the fact sheet and instructions.

My father was a Petroleum Engineer so it’s possible this was used on drilling rigs(s), however, this is just a guess.

Any information will be welcomed.

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#1

Re: Vintage (?) Generator Tester and Regulator

10/18/2019 1:10 PM
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#2
In reply to #1

Re: Vintage (?) Generator Tester and Regulator

10/19/2019 1:02 AM

I noticed in the pictorial diagram that the movement, magnetic assembly and sabbase were the only parts not indicated as made in the USA, although the company cover moniker indicates, made in the USA. Is there an error in the literature ?

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#3
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Re: Vintage (?) Generator Tester and Regulator

10/19/2019 1:21 AM

Some of the parts may be farmed out to manufacturing facilities in other countries, but the instrument is assembled and tested in the US...

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#6
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Re: Vintage (?) Generator Tester and Regulator

10/21/2019 8:03 AM

<...2004...> It's wonderful that this is the latest technology...

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#4

Re: Vintage (?) Generator Tester and Regulator

10/19/2019 10:26 AM

So an automotive generator tester... it’s been so long since cars had generators, I went to large 3 phase salient pole machines right away.

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#5

Re: Vintage (?) Generator Tester and Regulator

10/21/2019 3:04 AM

<...would be worth anything to a collector...>

There's an easy way to find out: list it on a popular internet auction site (name withheld) and look at the response.

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#7

Re: Vintage (?) Generator Tester and Regulator

10/21/2019 1:46 PM

This will definitely be of interest to vintage car collectors.

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