Hello, and not knowing the footprint of what you saw, I've got small, handheld a 25 year old flashlight that incorporates both a miniature incandescent bulb (like the #222 but rated at 4.8 volts) and 4" F4T5 white fluorescent tube and uses 4 penlight batteries. A 4" UV tube, F4T5/BLB can be substituted and then you have a small, portable UV source that also doubles as flashlight. Don't know if what I have can still be purchased (NOS perhaps). Sincerely ,
Well over 50 years ago I bought an ex-WW2 aircraft "blacklight", possibly from a Lancaster. It was on flying leads, with a black-painted metal body about a couple of inches in diameter and long. Inside was a small filament bulb (I can't remember the voltage - possibly 12?). The front was a domed, very dark violet glass. When the bulb was on, you could just about see the filament in a dark room. I also had a couple of instruments from a WW2 plane. Both had paint which glowed well in the dark under that blacklight.
One would hope not. The UV band is generally split into three, UV A, B and C. To erase EPROMS you need the UVC, most blacklights, most blacklights, especially the commodity devices for banknote checking, UV curing etc are UVA. UVA is what those insect killing lamps you see put out, albeit generally in white rather than blacklight form. UVC is much shorter wavelength and a massive risk to your eyes if exposed to it. Think the kind of masks used for arc welding. There is a reason EPROM erasers invariably have safety lock that cut out if you open the drawer when it is operating.
Could be. Could be a small fluorescent or a filament bulb.
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