Subject Started by Replies Views Last post
Gear alternatives for 45w/60w SO/H and SOI/H lamps jonny-m 6 2727 Today at 04:52:26 PM
by LightBulbFun
Early GE Fluorescent Lamps Manufacture Date Gaps Flatbottom 0 152 April 28, 2025, 10:41:22 AM
by Flatbottom
Osram color 15 "Tageslicht De Luxe" - daylight deluxe or not-deluxe? UPDATE Laurens 6 8618 April 09, 2025, 04:22:25 AM
by Michael
What light is this? veso266 10 5076 April 05, 2025, 11:49:05 AM
by veso266
Jeopardy! This material transmits UV-C but isn't quartz... Multisubject 2 1528 April 01, 2025, 03:10:38 PM
by Multisubject
MOVED: Oldest serviced fixture. Baked bagel 11 0 2316 March 06, 2025, 04:28:26 PM
by Baked bagel 11
1962 Circular Fluorescent lamp with unusual bases Em62Kent 3 9868 January 17, 2025, 05:36:22 PM
by WorldwideHIDCollectorUSA
A way to light fluorescent lamps with completely worn out cathodes Laurens 7 3877 January 03, 2025, 01:30:45 AM
by RRK
METROVICK MA/H 2500W Olav 5 6415 December 08, 2024, 08:12:51 AM
by Olav
Stabilux - Incandescent as ballast for fluorescent - what light bulb? Laurens 1 3005 November 25, 2024, 03:21:23 PM
by RRK
Technology Connections Balafire Video LightUpMyLife 0 2334 November 24, 2024, 10:56:03 PM
by LightUpMyLife
MOVED: What configuration did these signals have? Milwaukeeman2003 0 2717 November 20, 2024, 03:07:00 AM
by Milwaukeeman2003
1000w H34 mercury vapor lamp/ballast system tripping 15a 120v circuits WorldwideHIDCollectorUSA 6 6507 November 19, 2024, 08:45:15 AM
by funkybulb
Differences in the details of the GEC OSRAM MA/V 250W and MA/V 400W lamps Olav 2 4561 November 15, 2024, 02:28:43 AM
by Olav
Pictures wanted: Q4 1959 General Electric F. Lamp and 1956 Westinghouse F. Lamp Emersyn 2 3309 October 31, 2024, 08:06:50 PM
by Emersyn
Difference between 640 cool white and "Industrial White" as used in rectified? Laurens 1 2777 October 28, 2024, 05:49:48 PM
by James
two date codes for 2 different years on one bulb Zambi137 0 3024 October 17, 2024, 01:42:04 PM
by Zambi137
Phosphors on WHITE Mazda F Lamps Emersyn 0 2643 October 13, 2024, 07:14:21 PM
by Emersyn
ID/info needed on light-aging equipment bulb laisfs 3 7085 October 03, 2024, 08:54:48 PM
by wide-lite 1000
MOVED: G.E. 205 gumball RCM442 0 5270 August 26, 2024, 04:16:05 PM
by RCM442
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