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Radium paint usefulness in darkroom? |
lightsofpahrump |
7 |
2882 |
April 03, 2026, 05:28:37 PM
by Medved |
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Southern California Edison 50 hz |
yuandrew |
8 |
11350 |
April 03, 2026, 08:59:16 AM
by sol |
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People noticing and commenting on incandescents |
beatoven |
4 |
4048 |
April 03, 2026, 06:45:44 AM
by Laurens |
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Why spectrometers requires calibration??? |
dor123 |
5 |
6257 |
April 03, 2026, 01:37:07 AM
by RRK |
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What's up with my Metal Halides? |
suzukir122 |
8 |
4056 |
April 02, 2026, 04:04:02 AM
by dor123 |
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Plasma Streetlights |
mefurd98 |
8 |
3735 |
March 27, 2026, 12:55:31 PM
by lightsofpahrump |
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American Electric ITT series 710s? |
Burrito |
14 |
10458 |
March 26, 2026, 01:42:00 PM
by Burrito |
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eBay wants to make non-LED lighting rare and unobtainium « 1 2 » |
WorldwideHIDCollectorUSA |
18 |
6785 |
March 26, 2026, 05:44:44 AM
by HomeBrewLamps |
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Gas filling in T5 fluorescent tubes (classic, HE, HO, energy saving versions) « 1 2 » |
PlasmaAddict |
20 |
10835 |
March 24, 2026, 04:13:23 PM
by RRK |
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Found a new cool site with atomic spectra visializations. Enjoy! |
RRK |
0 |
1067 |
March 21, 2026, 07:26:54 AM
by RRK |
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Can bad capacitors come back? |
Emersyn |
4 |
1504 |
March 19, 2026, 07:28:40 AM
by Emersyn |
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Largest Ceramic Metal Halide Lamp |
Multisubject |
2 |
1775 |
March 14, 2026, 11:58:16 PM
by Medved |
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Best Shaw SOX Bulbs |
NeXe Lights |
12 |
3270 |
March 14, 2026, 10:42:18 AM
by Andy |
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What is your favorite mercury vapor color? « 1 2 » |
HomeBrewLamps |
17 |
7495 |
March 14, 2026, 03:19:52 AM
by Econolite03 |
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Very Hot EOLs |
Emersyn |
3 |
1930 |
March 13, 2026, 01:02:45 AM
by Medved |
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You know Atsuko Tanaka's "electric dress".. |
lightsofpahrump |
0 |
1201 |
March 09, 2026, 06:04:37 PM
by lightsofpahrump |
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4ft T12 Fluorescent Tube for 120V Choke? |
Multisubject |
4 |
1825 |
March 09, 2026, 05:52:49 PM
by Medved |
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Starter for F4 F6 F8 Single lamp preheat ballast at 120V, 240V, 277v |
Ken1 |
2 |
1554 |
March 08, 2026, 03:42:08 PM
by PlasmaAddict |
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Would an energy saving high pressure mercury vapor lamp be possible? |
PlasmaAddict |
12 |
3839 |
March 08, 2026, 03:36:18 PM
by PlasmaAddict |
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I suggest... |
lightsofpahrump |
1 |
1479 |
March 06, 2026, 09:55:00 PM
by LightsAreBright27 |
