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outofthefire
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Well that's the symbol for radiation hazard and if its glowing I wouldn't let any spiders too close to it unless you fancy becoming a superhero 
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Most folk just call me; Orange Joe
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Or dead
.
A self contained light source i.e. doesn't require batteries and lasts for years, often used by the army for marking purposes.
http://www.militarysystems-tech.com...us-gaseous-tritium-light-sources/betalight-bv
https://en.wikipedia.org/wiki/Tritium_illumination
http://www.militarysystems-tech.com...us-gaseous-tritium-light-sources/betalight-bv
https://en.wikipedia.org/wiki/Tritium_illumination
Mick - Ford Focus
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Maybe This http://www.defence-industries.com/company/army/manufacturing-engineering-testing/betalight-bv
M
^^ Beaten To It
M
^^ Beaten To It
It could be a military map reading lamp/magnifier. The tritium radioactive gas in it has a half life of 12.32 years, so could have decayed considerably since manufacture. The decay process emits low energy beta radiation, which won't penetrate the capsule walls that contain the gas, although a fresh unit could have up to a Curie's worth of radioactivity in it, which is a lot.
I have a Nite mx20 watch bought back on Op Herrick 5 06-07 that has tritium gas capsules in it on the clock hands and the 24hrs marks around the face. Worried some of the guys when out on night patrols as it glowed fairly bright and they were afraid the Taliban would see it!
Stated lifespan of the "glow" was 10 years so nearly done. Will need to see if I can get them to refurbish it as it's a bloody good watch.
Stated lifespan of the "glow" was 10 years so nearly done. Will need to see if I can get them to refurbish it as it's a bloody good watch.
clueless77
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You attach them to aiming posts for support weapons such as mortars during night shooting, they sometimes have a cover with a slit or a cross on to reduce the illumination and so you don't lay on to the wrong post if there is more than one weapon deployed.
clueless77
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No, quite dull as you only need to see it from about 15-25 yards or so through the C2 sight. Should imagine they still use them.
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Most folk just call me; Orange Joe
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I better not tell them about the mercury tilt switches either then
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Wedg1e
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I better not tell them about the mercury tilt switches either then
My god, I still have some of those I bought from a magazine ad in about 1983, they were ex-equipment then! I used them in bicycle alarms.
Maker
Most folk just call me; Orange Joe
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I asked dad to get me some more, but he doesn't trust me not to crack them open
.Which is for the best really as I intended to crack them open and fill a small conical flask
.
Tinbasherdan
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wasn't there a young lad in America with a bit of a similar attitude to that that nearly destroyed a small part of his town with a home made reactor?I asked dad to get me some more, but he doesn't trust me not to crack them open
Which is for the best really as I intended to crack them open and fill a small conical flask
Maker
Most folk just call me; Orange Joe
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I thought he died of radiation poising
. He was arrested for stealing smoke alarms, I don't think he ever did anything with them. 