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 Post subject: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sat 09, 2019 4:32 am 
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Joined: Aug Fri 23, 2013 4:00 pm
Posts: 70
Location: Seattle, WA
Hello all,

I purchased the 12U159 that Willie sold on Ebay several weeks ago. The slotted cardboard sleeves that cover the three lamps on the perimeter of the dial have largely deteriorated. As a result, the dial doesn't appear quite as it should. Although I could make something that would work, I'm trying to think of a source for cardboard tubes that will fit over a #47 bulb and nothing has come to mind. I was just wondering if those who own this model have an easy solution that I'm not aware of.

Also, the 12U159 has been my grail radio for several years and I thrilled to finally get one. I also have a restored 12S265 and I'm shocked by how much nicer the 12U159 sounds.

Thanks,
Rob


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sat 09, 2019 5:28 am 
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Joined: Oct Sun 05, 2008 6:47 am
Posts: 1209
Location: Bothell, WA
If it is anything like the other 1937 Zenith radios, it has a white plastic cover that goes between the light bulb and the dial face. You can get them at Renovated Radios, one of our sponsors.

Here is the link to the part:

http://renovatedradios.com/product.php?product=340

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Chris

Looking for mid to late 1930s Canadian Rogers, Majestic, and DeForest Crosley radios


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sat 09, 2019 6:59 am 
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Joined: Aug Fri 23, 2013 4:00 pm
Posts: 70
Location: Seattle, WA
Thanks, but I have plenty of those from Mark Oppat. The covers that I'm talking about have slots in them which directs the light in such a way as to illuminate the dial painted onto the dial glass and little else.

This is not my photo and my apologies to the forum member who postd it, but this is what the dial should look like with the bulb covers.


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sat 09, 2019 1:26 pm 
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This is like the Philharmonic uses for the dial illumination.
Here is a thread on making them:

http://ehscott.ning.com/forum/topics/lamp-covers


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sat 09, 2019 7:13 pm 
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Joined: Oct Sun 05, 2008 6:47 am
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Location: Bothell, WA
Rob, when you get it figured out, please post some photos of what you have. I would love to understand this, and I'm sure others would as well.

Thanks!

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Looking for mid to late 1930s Canadian Rogers, Majestic, and DeForest Crosley radios


Last edited by cwysong on Feb Sun 10, 2019 5:56 pm, edited 1 time in total.

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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sat 09, 2019 8:02 pm 
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Joined: Aug Fri 23, 2013 4:00 pm
Posts: 70
Location: Seattle, WA
This is a picture of the best surviving lamp cover.
Since we're snowed in here today, I'm passing the time by trying to replicate them with rolled construction paper.
I'll update if I have any success.


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sun 10, 2019 4:32 am 
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Joined: Aug Fri 23, 2013 4:00 pm
Posts: 70
Location: Seattle, WA
Okay,

I've had some success. I made three paper tubes that would fit snugly over the dial lamps then cut slots in the tubes so that the light could be directed onto the edge of the dial glass. This illuminates the split second scale etched into the glass, but reduces the three bright spots that would appear on the dial if the lamps weren't covered. Thanks for your input.


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sun 10, 2019 7:11 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 5563
Location: 253 Blanche St. Plymouth, MI USA
I dont get it. The 12U159 did not have a glass dial, and no such dial lamp covers were used in that model that I know of. They WERE used in Philco and some other situation, but there is no need for them on the 12U158/159 since each section is divided with metal partitions as I recall. You DO want to limit the bright spot of the bulb and protect the plastic dial by using only type #47 bulbs and using dial lamp "shades". I usually take a sharpie to my shades to make a dark dot where the real bright spot of the bulb is. RCA did that with their bulb shades.
Seems like if you had the dial lamp covers with slots that the light would not illuminate each section very well.
Mark Oppat


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sun 10, 2019 8:20 am 
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Joined: Aug Fri 23, 2013 4:00 pm
Posts: 70
Location: Seattle, WA
The bulb covers that I've tried to replicate are only for the three bulbs mounted on the perimeter of the dial.
The split-second scale is etched into the dial glass. All other marking are part of the plastic dial.

I don't know how to link to another thread, but in a thread titled “Zenith 12-U-158 Sings Again”, you can see the covers in the photos posted.


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sun 10, 2019 5:51 pm 
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Joined: Oct Sun 05, 2008 6:47 am
Posts: 1209
Location: Bothell, WA
Here's the link Rob.

http://www.antiqueradios.com/forums/viewtopic.php?f=1&t=212755

I was never aware of these. I'll check my 12U159 but don't believe they are on it. Maybe a case of a cardboard part just disintegrating over time.

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Chris

Looking for mid to late 1930s Canadian Rogers, Majestic, and DeForest Crosley radios


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sun 10, 2019 6:25 pm 
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Location: Dayton Ohio
There are some 12-U-158s and 159s which have the Zenith logo on the glass rather than on the dial.
They seem to be harder to find.

Nice work on the lamp covers!

-Steve

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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sun 10, 2019 11:51 pm 
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One thing that I used were the cardboard sleeves around the AAA batteries in disposable (and perhaps non-disposable) penlights. They are the perfect diameter for this purpose, and I cut a slot with an exacto knife. The trouble is that some penlights don't use sleeves and others use metal sleeves, so there is no way to know until you open one up.

Bob

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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Mon 11, 2019 12:26 am 
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Joined: Aug Fri 23, 2013 4:00 pm
Posts: 70
Location: Seattle, WA
That's hilarious! When I was mulling over a solution yesterday that very thing popped into my head and I haven't had a penlight in twenty or thirty years. I'll look into that as a more permanent fix. Thank's Bob and everyone else too.


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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Mon 11, 2019 3:51 am 
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Location: Central PA 16801
Magnavox used little cardboard tubes that were longer. they used them as a dial light cover for the "red jewel" light that was in the center of their long consoles that were made in the 60s.

perhaps you could do a search on the bay or on arf classifieds and find what you are looking for.

also, they are longer and perhaps you could get two covers out of one.

steve

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 Post subject: Re: Zenith 12U159 dial lamp cover suggestions?
PostPosted: Feb Sun 17, 2019 7:02 pm 
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Joined: Mar Sat 06, 2010 3:37 am
Posts: 1097
Location: Broadview Hts. / NE Ohio
RKaimakis wrote:
The bulb covers that I've tried to replicate are only for the three bulbs mounted on the perimeter of the dial.
The split-second scale is etched into the dial glass. All other marking are part of the plastic dial.

I don't know how to link to another thread, but in a thread titled “Zenith 12-U-158 Sings Again”, you can see the covers in the photos posted.



That is a picture of my chassis.

I used some old zenith capacitors that had the same diameter to slip over the bulb and cut a small rectangle out of the sleeve to match the originals.

Lenny


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