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Notice Regarding Posting of Date Code Specs |
Patrick |
0 |
3917 |
June 20, 2020, 11:18:36 PM by Patrick |
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Date Codes on Lamptech |
Patrick |
1 |
6985 |
June 24, 2020, 08:03:11 AM by Rommie |
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Japanese fluorescent lighting specifications and history PDF |
WorldwideHIDCollectorUSA |
1 |
641 |
March 11, 2024, 05:18:53 AM by WorldwideHIDCollectorUSA |
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Date Codes? « 1 2 » |
wattMaster |
20 |
9538 |
February 11, 2017, 04:46:57 PM by James |
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Radium SOX date and age |
waterbug |
1 |
1937 |
February 19, 2022, 09:31:05 AM by Danny |
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who knows date code of this Tungsram HgLS 250? |
valirex |
1 |
1770 |
November 21, 2021, 05:39:58 PM by James |
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Appeal for field info |
TL8W |
1 |
1272 |
February 19, 2023, 05:52:52 PM by TL8W |
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Westinghouse T8/T12Fluorescent - 1960s/70s - compiled from public domain data |
TL8W |
2 |
2660 |
January 07, 2024, 08:54:50 PM by damon1369 |
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Who knows datecode of these fluorescent lamps? |
The Lightman |
5 |
2614 |
December 12, 2022, 07:09:23 PM by James |
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Thorn Merthyr factory codes? |
SouthWalesSOX |
2 |
1140 |
May 03, 2023, 03:34:41 PM by AngryHorse |
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Atomic Spectra Database |
rjluna2 |
0 |
1458 |
November 03, 2021, 04:38:31 PM by rjluna2 |
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Which lamp is older? |
RadiantMV |
5 |
2135 |
February 29, 2024, 04:33:20 PM by wide-lite 1000 |
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Date code for vintage GE ballast |
Preheat_Carson |
4 |
1111 |
July 08, 2023, 12:38:01 AM by joseph_125 |
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Does anyone have ANSI C78.40? (Mercury Lamp Specs) |
Mr. Orthosilicate |
1 |
5533 |
September 23, 2020, 10:18:03 AM by James |
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Date code on Philips ballasts |
Michael |
0 |
1476 |
October 22, 2022, 06:41:35 AM by Michael |
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OV- 15 manufacturing date? |
Metal Halide Boy |
3 |
2529 |
January 22, 2021, 05:20:59 AM by LightsDelight |
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EYE date codes |
Mandolin Girl |
3 |
1815 |
October 30, 2021, 08:28:19 PM by joseph_125 |
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Philips 400w pearl/reflector ovoid MV lamp - type or datasheet? |
Laurens |
4 |
292 |
February 17, 2024, 06:00:19 AM by Laurens |
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Philips ML160 or MLL160? What do i have? |
Laurens |
2 |
376 |
March 24, 2024, 11:13:43 AM by Laurens |
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can you guys teach me how to read date codes? |
Lamp_o_watcher |
1 |
1682 |
August 21, 2022, 08:22:14 PM by 108CAM |