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Date Codes on Lamptech Patrick 1 5696 June 24, 2020, 08:03:11 AM
by Rommie
Notice Regarding Posting of Date Code Specs Patrick 0 2913 June 20, 2020, 11:18:36 PM
by Patrick
What is the batch code of GE bulbs from 1980 to the present? bulb_tester2009 0 485 July 21, 2023, 09:10:55 AM
by bulb_tester2009
Date code for vintage GE ballast Preheat_Carson 4 338 July 08, 2023, 12:38:01 AM
by joseph_125
How to find Sainsburys 100w Mushroom bulb date of manufacture? ethanol 2 302 June 04, 2023, 01:59:45 PM
by ethanol
Thorn Merthyr factory codes? SouthWalesSOX 2 531 May 03, 2023, 03:34:41 PM
by AngryHorse
Appeal for field info TL8W 1 703 February 19, 2023, 05:52:52 PM
by TL8W
Lamp data of US discharge lamps Alex 2 571 January 30, 2023, 03:51:13 PM
by Alex
Datecodes for Lamps made by British Electric lamps Ltd. before 1965 Alex 0 453 December 25, 2022, 02:06:01 PM
by Alex
Date codes for General Electric slimline lamps C.mid-late 50's-70's Burrito 1 538 December 18, 2022, 07:59:03 AM
by funkybulb
Who knows datecode of these fluorescent lamps? The Lightman 5 1903 December 12, 2022, 07:09:23 PM
by James
How do I read date codes on Philips starters and American/HID lamps in general? Lamp_o_watcher 1 1047 November 03, 2022, 06:26:04 PM
by Rommie
Date code on Philips ballasts Michael 0 924 October 22, 2022, 06:41:35 AM
by Michael
Electronic Lamp Manufacturers of Australia Date Codes 108CAM 1 1205 October 19, 2022, 04:00:38 AM
by 108CAM
can you guys teach me how to read date codes? Lamp_o_watcher 1 1118 August 21, 2022, 08:22:14 PM
by 108CAM
Date code on my desk lamp HIDLad001 0 942 July 24, 2022, 09:10:03 AM
by HIDLad001
Date codes for Sylvania tubes 108CAM 0 1073 June 24, 2022, 12:09:45 AM
by 108CAM
Which lamp is older? RadiantMV 1 1137 May 30, 2022, 07:16:57 PM
by HPS_250
About the etching of Philips 400W tubular metal halide lamps produced in China bulb_tester2009 0 1000 May 26, 2022, 01:33:27 AM
by bulb_tester2009
Westinghouse/Ken-Rad HID Flood lamp dating Bulbman256 0 1078 May 10, 2022, 07:40:53 AM
by Bulbman256
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