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Date Codes on Lamptech |
Patrick |
1 |
13464 |
June 24, 2020, 08:03:11 AM by sox35 |
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Notice Regarding Posting of Date Code Specs |
Patrick |
0 |
10387 |
June 20, 2020, 11:18:36 PM by Patrick |
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Japanese fluorescent lighting specifications and history PDF |
WorldwideHIDCollectorUSA |
1 |
5366 |
March 11, 2024, 05:18:53 AM by WorldwideHIDCollectorUSA |
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Date Codes? « 1 2 » |
wattMaster |
20 |
20164 |
February 11, 2017, 04:46:57 PM by James |
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Radium SOX date and age |
waterbug |
1 |
3895 |
February 19, 2022, 09:31:05 AM by Danny |
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who knows date code of this Tungsram HgLS 250? |
valirex |
1 |
3736 |
November 21, 2021, 05:39:58 PM by James |
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Appeal for field info |
TL8W |
1 |
6077 |
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 |
8006 |
January 07, 2024, 08:54:50 PM by damon1369 |
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Who knows datecode of these fluorescent lamps? |
The Lightman |
5 |
8893 |
December 12, 2022, 07:09:23 PM by James |
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Thorn Merthyr factory codes? |
SouthWalesSOX |
2 |
6397 |
May 03, 2023, 03:34:41 PM by AngryHorse |
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Atomic Spectra Database |
rjluna2 |
0 |
3241 |
November 03, 2021, 04:38:31 PM by rjluna2 |
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What are these tubes for? |
rafaf777 |
1 |
5439 |
May 06, 2024, 03:18:09 AM by Laurens |
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Which lamp is older? |
RadiantMV |
5 |
8799 |
February 29, 2024, 04:33:20 PM by wide-lite 1000 |
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Date code for vintage GE ballast |
Preheat_Carson |
4 |
7675 |
July 08, 2023, 12:38:01 AM by joseph_125 |
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Years of manufacture of discharge lamps from TESLA and its successors |
Olav |
0 |
4942 |
May 07, 2025, 03:25:37 AM by Olav |
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Does anyone have ANSI C78.40? (Mercury Lamp Specs) |
Mr. Orthosilicate |
1 |
8990 |
September 23, 2020, 10:18:03 AM by James |
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Date code on Philips ballasts |
Michael |
0 |
3551 |
October 22, 2022, 06:41:35 AM by Michael |
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Eye Iwasaki HPMV lamp date codes |
Michael |
4 |
28076 |
January 08, 2025, 06:19:36 AM by Olav |
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OV- 15 manufacturing date? |
Metal Halide Boy |
3 |
4999 |
January 22, 2021, 05:20:59 AM by LightsDelight |
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EYE date codes |
Mandolin Girl |
3 |
4375 |
October 30, 2021, 08:28:19 PM by joseph_125 |