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Gadget Freak
Gadget Freak Case #233: Inline Clock With Incandescent Display
2/21/2013

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Clock power entry.
Clock power entry.

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tekochip
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Platinum
Repurpose
tekochip   2/21/2013 8:22:12 AM
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Nice job on repurposing the display, but where the heck did you find one?

Charles Murray
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Blogger
SkyMall
Charles Murray   2/21/2013 10:42:08 AM
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I could picture this being offered in the SkyMall Catalog that you see on airline flights.

Jennifer Campbell
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Gold
Re: SkyMall
Jennifer Campbell   2/21/2013 11:32:32 AM
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HA Chuck - you might be onto something there. Love the SkyMall! They are so quirky, it actually might be worth looking into (I'm talking to you, Gadget Freaks)!

NadineJ
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Platinum
Beautiful!
NadineJ   2/21/2013 3:47:15 PM
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I can't resist the Steam Punk aesthetic...

Great job! 

mrdon
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Gold
Re: Repurpose
mrdon   2/22/2013 12:33:54 AM
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tekochip, I agree on the display repurposing but I'm interested in where one can obtain it. I check the build instructions but no such luck in where you can buy one.

mrdon
User Rank
Gold
Re: Beautiful!
mrdon   2/22/2013 12:37:56 AM
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NadineJ, Your right about Steam Punk aesthics, they're pretty cool looking items. Adding electronics really enhances the 18th century look of them. I agree, great job!

D. Sherman
User Rank
Silver
Source of displays
D. Sherman   2/22/2013 10:31:18 AM
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I have a large number of the incandescent/projector type displays and would happily sell them cheaply. There are two catches. One is that they don't include the light bulbs. The other, perhaps bigger, catch is that the film with the legend is a customized display that does not included a full set of numbers, at least not on any that I have checked. I have several variations with various legends, but as I recall most are specific phrases. The film is easily removed and it might be possible to print a new legend film using clear (overhead projector) film in a laser printer without having to go through a photographic process.

The projector modules themselves are "new old stock" government surplus. I believe they were used on C130s. They are definitely an aircraft part. I would love to repurpose them. I've thought about doing something like this, but never came up with the time and ambition to actually do it.

Note that there's no reason the image can't be in color, if one had a way to print it. I suspect 35mm slide film would be the right size if one wanted to try doing it photographically. If anyone's interested in giving it a try, contact me at davids@SlateCreekEngineering.com.

bdcst
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Platinum
Re: Repurpose
bdcst   2/22/2013 10:51:11 AM
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Eons ago I had a device that used numeric projection displays.  They were a PIA as the bulbs would burn out periodically, especially those lamps illuminating the most popular numbers such as zeros.  :-) Good riddence.

danharres
User Rank
Silver
Re: Beautiful!
danharres   2/22/2013 10:52:27 AM
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Beautiful and inspiring.

trainliker
User Rank
Iron
Sphericular optic display
trainliker   2/22/2013 12:07:03 PM
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Long ago I worked with a counter or frequency generator with this type of display and it was called a "sphericular optic display" and a manufacturer was Burroughs.  That term might help people search for them.  (I also used a digital voltmeter with the type of display with the little flaps with numbers on them like many "digital" clocks of long ago.  I think it was a Dana voltmeter.  Of course, the wheels with the flaps had to spin around with every reading.  Pretty entertaining.)

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