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Author Topic: Geiger night light  (Read 1423 times)
Mr. Consciousflesh
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« on: March 25, 2015, 12:13:44 am »

It's been some time since I posted here . Recently I decided to return to steampunk aesthetics and to build a small device as a gift for my friend. Here it is :




This strange contraption is basically a neon night light , but it is a night light controlled by the ionising radiation . On the outside of the lamp there are three Russian IN-9 indicator tubes  In the middle of the lamp there is a large Geiger counter tube capable of sensing weak radiation from natural sources. Every time the particle hits the detector tube , the glowing bars on the indicator tubes are rising , while the average length of the bars shows the average radiation level.


The frame of the lamp is made from custom machined brass parts .



The base is made form mahogany wood and impregnated with the Tung Oil . The oil gives the wood nice , silk finish and brings out the wood texture.


 



« Last Edit: April 19, 2016, 10:52:02 pm by Mr. Consciousflesh » Logged

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« Reply #1 on: March 25, 2015, 12:53:12 am »



 You have a lucky friend
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Maets
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« Reply #2 on: March 25, 2015, 12:57:45 am »

Beautiful work.  I think we will all want to be your friend.  What are the small white objects?

Please keep making steampunk stuff and sharing it with us.
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Drew P
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« Reply #3 on: March 25, 2015, 01:02:43 am »

He's got enough friends, but I'll be his Best friend.  Wink Grin
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« Reply #4 on: March 25, 2015, 04:08:16 am »

My Dearest Mr. Consciousflesh -

this is an auspicous and enviable piece of work; I salute you!

Since there are so many people vying to be your friend, I have decided instead to
adopt you and make you my Ward and Heir Apparent.

You shall (eventually) inherit this vast and wonderful dukedom:
Spoiler (click to show/hide)

The papers are in the works, you should be hearing from the dukedom's solicitor in 3-5 lustrum.

yhs
prof marvel,
duke of Marlburo,
heir apparent to the Rotation Impact Crusher
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« Reply #5 on: March 25, 2015, 07:18:20 am »

I would so love to own one these. Great work and a unique idea.
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Hektor Plasm
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« Reply #6 on: March 25, 2015, 06:11:21 pm »

Ahh - Geiger, rather than Gieger!

Most excellent and unusual as usual!

Welcome back -we've missed you...

HP

edit- my dyslexic-fingerworks  Shocked
« Last Edit: March 25, 2015, 11:43:21 pm by Hektor Plasm » Logged

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Steerpike
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« Reply #7 on: March 25, 2015, 07:30:32 pm »

What are the small white objects?
They look to me like the mantles used in gas lights- IIRC they contain thorium salts (which are mildly radioactive). An impressive object indeed- like Hektor I was expecting Gieger rather than Geiger!
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Fairley B. Strange
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« Reply #8 on: March 25, 2015, 08:58:47 pm »

Such a cunningly inventive method of inducing paranoia of background radiation. Normally a nightlight burns steadily as a reassurance to keep the monsters at bay, this one burns brighter the more 'monsters' are around - much less reassuring... *twirls moustache evilly*

Brilliant conception and stunning craftsmanship. Does your friend reside in a granite area?
« Last Edit: March 25, 2015, 09:06:41 pm by Fairley B. Strange » Logged

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Mr. Consciousflesh
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« Reply #9 on: March 25, 2015, 10:00:22 pm »

Thank you for your kind words.

Those white things are indeed the gas mantles . Several years ago I was lucky to acquire several new mantles manufactured at the beginning of the XX century. They were intended to be used in gas streetlights. The funny fact is that in my city several of these lamps are still in operation , but now only as a tourist attraction. 
The old gas mantles contain mostly thorium dioxide , what makes them a safe radioactive source for experimentation . The radiation level is so low that they are not even officially classified as radiation source.

As for my friend - she is a nuclear physicist , and counting the particles before sleep is no different than counting sheep Wink
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« Reply #10 on: March 26, 2015, 03:35:20 am »

counting the particles before sleep is no different than counting sheep Wink


Especially If the sheep are from Chernobyl... Grin

(Nice lamp, and nice to see you back here!) Smiley
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« Reply #11 on: March 27, 2015, 04:27:30 am »

It's good to see you maintaining your usual intimidating standard of workmanship, sir.

I confess I first misread the subject as "Giger night light," a thing I suspect would be virtually guaranteed to prevent a sound night's sleep.
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« Reply #12 on: March 27, 2015, 04:45:33 pm »

I think that phrase "an intimidating standard of workmanship" says it all. A for effort and execution.
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« Reply #13 on: March 28, 2015, 06:07:31 pm »

Nice.
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Art
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« Reply #14 on: May 28, 2016, 02:06:25 pm »

Nice to see you’re still alive then Smiley
Thanks, you shouldn’t have, but I won’t say no! Cheesy

I purchased a cold war era Victorian counter early this year to try random number generation.
I recognise the head part might be original.
Does this give some light output for environmental readings? You mention your friend could count the collisions to get to sleep.

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Banfili
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« Reply #15 on: May 29, 2016, 06:24:50 am »

Very smart, sir!
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mizzarrogh
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« Reply #16 on: June 06, 2016, 07:31:33 am »

I hawe always realy lowe all your projects!
(I gawe the thumbs up for everything there)
This was realy cool.

If someone here want to try, personally i recommend IN-13 since it´s easier to build with, but IN-9 is more commen and less attractive (i also usng IN-9 in some of my projects and it´s basically the same but a bit more corse and missing the 3 rad input so it has kinda violent behavior compared to IN-13)



« Last Edit: June 06, 2016, 07:33:52 am by mizzarrogh » Logged
53Bash
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« Reply #17 on: June 08, 2016, 06:39:44 pm »

Very cool metalwork, and I love the Nixie tubes, had never seen the bar graph sorts.  A quick search turns up they are not even so costly.  I'd really like top get into playing with these (end goal maybe being a dash for my motorcycle) - got tips on where to start? 
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mizzarrogh
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« Reply #18 on: June 11, 2016, 05:47:45 pm »

(Sorry for my terrible English...)

Those bargraf tubes are not so hard to build with.
I will check up the exact voltage, but as i remember it was possibly around 170 V DC they shall run on.

You can build a wery crude driver out of a disposable camera, but there are better scemas on the internet (i will see if i can find a link somewhere...)

Then it will follow the input in an analoge liniar curve as i remember, but don´t over exceeed the voltage range over longer periods, it´s generally better to place the roof of the feeding voltage a bit under or in line with the factory specs if one want to optimize the lifespan of them.

They where originally built for showing a flow of a voltage curve so i think there will be no problem using them on a motorbike.
(just ensure that You hawe some sort of trustable backup for critcal functions in case the tubes will fail when You are out on a ride).
Unfortunatly Mercury free tubes does not last that long, but Russian tubes are often much better built then the factory specs says so i can last for more then a Year even with dayly use i think. If You want to increase the lifespan, let the tubes go to full glow (but without overvolting them) sometimes, that will decrease the risk of that the glowing line will come loose and start wandring around after a long time use.

IN-13 is the choise i recommend to start with, they are a bit more expensive then IN-9 and a bit harder to comeby, but it´s much easier to get more stability in them and they are much more kind to Your driver so it can be a bit simplier.

But IN-9 is not a bad tube and they are chaepa and easy to come by, but they need some minor changes in the driver compared to IN-13.
(i am not sure, but i guess that IN-9 was an earlier wersion and IN-13 is an improwed wersion that come later to solve some of the designproblems with IN-9 )






« Last Edit: June 11, 2016, 05:50:18 pm by mizzarrogh » Logged
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