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#1 turbo15479

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Posted 28 October 2010 - 03:41 PM

I have an electrical device that I cannot indentify. It has Gray & Davis on it and is called a dynamo. It is rated 6 volts and 10 amps. It was my grandfather's and passed on to my dad and now me. My dad thought it was from a Packard but my grandfather owned everything from a Model A to a Studebaker truck. I will attach a couple of photos. If anyone can help me please do so. Thanks Bruce
brucehrach@msn.com

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Edited by turbo15479, 28 October 2010 - 03:43 PM.
typo


#2 Shop Rat

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Posted 28 October 2010 - 03:50 PM

Are there any markings on it at all? If there are then those would help folks help you figure out what it fits. :)
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#3 turbo15479

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Posted 28 October 2010 - 04:05 PM

If you do a google search on a gray & davis dynamo a newspaper article from 1912 comes up. It claims a dynamo and generator are the same thing. The only other markings on it are it is number 375 and it looks like a T or I series. It looks like new inside and turns freely. Here is a link to the article, The gasoline automobile - Google Books

#4 Larry Schramm

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Posted 28 October 2010 - 04:08 PM

With the pulley on the end, I agree that it is a generator. Maybe an aftermarket part as an accessory??
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#5 turbo15479

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Posted 28 October 2010 - 04:13 PM

The article I posted the link to claim it was made by Delco for car companies.

#6 Layden B

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Posted 28 October 2010 - 04:21 PM

Yes in the early days, generators were known as dynamos and starters were just called motors.
Gray and Davis Model T
Jones 1916-17 25,26
Metz 1915 25
Stearns-Knight 1915 Light 4
There may be additional applications as some lists that show Gray and Davis do not show the model.

#7 TheMoneyPit

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Posted 28 October 2010 - 04:26 PM

Gray & Davis made aftermarket lighting systems for the Model T Ford, they also had a starter-generator set-up that mounted on the LH side of the engine and used a chain drive to a special front sprocket mounted on the front pulley of the crank. I sold two of this style units at Hershey about 20 years ago, but they looked a lot like that only with a sprocket.

#8 turbo15479

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Posted 28 October 2010 - 04:55 PM

What is a unit like this worth? I may be willing to sell this if anyone has a use for it.

#9 TheMoneyPit

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Posted 29 October 2010 - 04:35 PM

I think i got $65 per unit but they had all the bracketing and the pulley sprockets - no chain but it looked like narrow timing chain. That was 1980's money...




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