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A few years ago, I had a pair of rather ancient old Israeli IR night-vision goggles. They're early-early first-generation,
and as such, need an infrared light source. I'm told they were originally used in conjunction with IR searchlights mounted to tanks,
and IR-lensed flashlights. In order to use them myself, I simply whipped up a Radio Shack project box that held two IR LEDs,
a switch, and a pair of AA batteries. Taped to the goggles, they were self-illuminating, and you could work hands-free in total darkness.

Range was short- about 20 feet for anything nonreflective, you could get a return off of reflectors and license plates from about
150 feet though- and they're small tubes. It was like looking through two toilet-paper tubes with the ends covered in green cheesecloth. :)

Anyway, they worked fine, but used an obscure and not-all-that-easy-to-find mercury battery.





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quickest, safest, or even the correct ones. It's up to you to know how to use your own machines and tools.
Keep your fingers away from the spinny blades o' death and you should be all right.