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Date Codes on Lamptech Patrick 1 3757 June 24, 2020, 08:03:11 AM
by Rommie
Notice Regarding Posting of Date Code Specs Patrick 0 1732 June 20, 2020, 11:18:36 PM
by Patrick
Westinghouse/Ken-Rad HID Flood lamp dating Bulbman256 0 63 May 10, 2022, 07:40:53 AM
by Bulbman256
Westinghouse T8/T12Fluorescent - 1960s/70s - compiled from public domain data TL8W 1 845 May 09, 2022, 11:49:34 PM
by Bulbman256
Ken Rad f4t5 datecode Bean 0 469 March 18, 2022, 09:38:07 PM
by Bean
Radium SOX date and age waterbug 1 547 February 19, 2022, 09:31:05 AM
by Danny
Sylvania MR16 lamp Bulbman256 3 561 February 12, 2022, 02:25:48 PM
by Lumex120
Tesla Tež automotive catalogue (Serbian language) Jovan 2 598 January 11, 2022, 11:50:55 AM
by Jovan
Who knows datecode of these fluorescent lamps? The Lightman 2 430 January 09, 2022, 07:03:13 PM
by Danny
who knows date code of this Tungsram HgLS 250? valirex 1 497 November 21, 2021, 05:39:58 PM
by James
Ballast Date Codes joseph_125 9 2493 November 06, 2021, 10:32:54 AM
by funkybulb
Atomic Spectra Database rjluna2 0 373 November 03, 2021, 04:38:31 PM
by rjluna2
Does anyone have information about this chandelier? carg618 0 367 November 02, 2021, 11:03:28 PM
by carg618
EYE date codes Mandolin Girl 3 623 October 30, 2021, 08:28:19 PM
by joseph_125
Mysterious Westinghouse HID date dash code Bulbman256 0 923 September 04, 2021, 11:29:03 PM
by Bulbman256
Sylvania datecodes? Bulbman256 6 1387 August 13, 2021, 09:42:23 AM
by Bulbman256
L.H. Frost / ATC Frost fluorescent ballasts megathread Foxtronix 0 981 July 19, 2021, 06:11:42 PM
by Foxtronix
Color codes for USSR tubes Jovan 0 1220 April 19, 2021, 03:19:38 PM
by Jovan
Color codes for Philips lamps Jovan 0 821 April 13, 2021, 12:57:37 PM
by Jovan
Osram changed datecodes again. Alex 1 1020 March 02, 2021, 02:42:20 PM
by James
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