/diy/ - Do It Yourself

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rdg Sat Mar 30 20:18:11 2013 No.427071 [Reply] [Original]

anyone recognize these bulbs? they were in some rubble near an abandoned power plant outhouse building

>>	Anonymous Sat Mar 30 20:52:24 2013 No.427106 One looks like an HPS 250W the other I'm not sure. Why?

>>	Pinzfag Sat Mar 30 20:59:09 2013 No.427115 Both are high pressure sodium bulbs. somewhere between 250w and 600w

>>	Anonymous Sat Mar 30 21:03:25 2013 No.427118 They're not really worth anything and are still mass produced btw. Could also be Metal Halide. Either way they're two junked HID's. You could always use them for grow lamps, but you should run them with ballasts.

>>	Anonymous Sat Mar 30 23:18:41 2013 No.427223 File: 245 KB, 1500x1120, il_fullxfull.292434538.jpg [View same] [iqdb] [saucenao] [google] Lightbulb terrariums!!

>>	Anonymous Sun Mar 31 00:08:11 2013 No.427243 The filament is very good to use as a sharpening stone. I keep them in my tool box, tackle box,glove box and in my sharpening box.

>>	Anonymous Sun Mar 31 01:43:57 2013 No.427278 >>427243 interesting, what grit would you say they are?

>>	Anonymous Sun Mar 31 01:49:57 2013 No.427282 >>427071 usually used for area lights, Kinda like street light bulbs

>>	Anonymous Sun Mar 31 12:44:21 2013 No.427505 >>427223 how do?

>>	Anonymous Sun Mar 31 13:19:21 2013 No.427539 >>427118 nah, metal halide bulbs don't have quartz tubes that long,.

>>	Anonymous Sun Mar 31 16:58:35 2013 No.427677 File: 397 KB, 1078x802, 1329805696476.jpg [View same] [iqdb] [saucenao] [google] >>427505

>>	Anonymous Sun Mar 31 17:24:51 2013 No.427687 >>427539 The left is a High-Pressure Sodium bulb, the right is a Metal Halide. All metal halides and mercury vapor bulbs have the huge rounded end to prevent confusion with hPS.

Anonymous Sun Mar 31 20:21:52 2013 No.427767

>>427278
Its about the same grit as a hard black arkansas stone. So not real sure on the actual grit but I use the black arkansas as the final stone and the ceramic out of the bulb just before. The black stones used to be used to sharpen scalples back when that was done by hand. Also price wise for the bulb ceramics compared to the balck ston, the bulb if far cheaper.The black stones if you can find them are about a hundred bucks for a 1x3x8.The bulbs are about 20 bucks or free if they are burnt out and you know a lineman. Like I said in my other post i have them everywhere, since carrying 6 or 7 stones is cumbersum

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