Subject Started by Replies Views Last post
Date Codes on Lamptech Patrick 1 5037 June 24, 2020, 08:03:11 AM
by Rommie
Notice Regarding Posting of Date Code Specs Patrick 0 2517 June 20, 2020, 11:18:36 PM
by Patrick
Appeal for field info TL8W 1 292 February 19, 2023, 05:52:52 PM
by TL8W
Lamp data of US discharge lamps Alex 2 201 January 30, 2023, 03:51:13 PM
by Alex
Datecodes for Lamps made by British Electric lamps Ltd. before 1965 Alex 0 179 December 25, 2022, 02:06:01 PM
by Alex
Date codes for General Electric slimline lamps C.mid-late 50's-70's HM1000 1 225 December 18, 2022, 07:59:03 AM
by funkybulb
Who knows datecode of these fluorescent lamps? The Lightman 5 1442 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 1 746 November 03, 2022, 06:26:04 PM
by Rommie
Date code on Philips ballasts Michael 0 607 October 22, 2022, 06:41:35 AM
by Michael
Electronic Lamp Manufacturers of Australia Date Codes 108CAM 1 882 October 19, 2022, 04:00:38 AM
by 108CAM
can you guys teach me how to read date codes? Lamp_o_watcher 1 784 August 21, 2022, 08:22:14 PM
by 108CAM
Date code on my desk lamp HIDLad001 0 658 July 24, 2022, 09:10:03 AM
by HIDLad001
Date codes for Sylvania tubes 108CAM 0 792 June 24, 2022, 12:09:45 AM
by 108CAM
Ken Rad f4t5 datecode Bean 1 1362 May 30, 2022, 10:56:30 PM
by bulb_tester2009
Which lamp is older? RadiantMV 1 832 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 0 718 May 26, 2022, 01:33:27 AM
by bulb_tester2009
Westinghouse/Ken-Rad HID Flood lamp dating Bulbman256 0 806 May 10, 2022, 07:40:53 AM
by Bulbman256
Westinghouse T8/T12Fluorescent - 1960s/70s - compiled from public domain data TL8W 1 1635 May 09, 2022, 11:49:34 PM
by Bulbman256
Radium SOX date and age waterbug 1 1358 February 19, 2022, 09:31:05 AM
by Danny
Sylvania MR16 lamp Bulbman256 3 1553 February 12, 2022, 02:25:48 PM
by Lumex120
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