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Philips PowerWhite 125W MBF/U lamp with E40 cap Here is a 125W Philips PowerWhite lamp with an E40 cap, somewhat unusual for this size of lamp. The date code on the lamp reads 1K which is either October 1971 or 1991, I would have assumed 1971 but there is a label on the wrapper with the date of October 1990 on it, so I have no idea..? Can anyone help..? During what period were PowerWhite lamps made at Hamilton..? Keywords: Lamps

Philips PowerWhite 125W MBF/U lamp with E40 cap


Here is a 125W Philips PowerWhite lamp with an E40 cap, somewhat unusual for this size of lamp. The date code on the lamp reads 1K which is either October 1971 or 1991, I would have assumed 1971 but there is a label on the wrapper with the date of October 1990 on it, so I have no idea..? Can anyone help..? During what period were PowerWhite lamps made at Hamilton..?

Philips_9512M_-_NL_1951_a.jpg DSC00996.JPG Philips_125W_PowerWhite_Mercury_Lamp_with_E40_Cap.jpg DSC03783.JPG Thomas.jpg
Lamp/Fixture Information
Manufacturer:Philips Lighting
Model Reference:125W PowerWhite
Lamp
Lamp Type:High Pressure Mercury Vapour
Filament/Radiator Type:Quartz Arc Tube
Base:E40
Shape/Finish:Elliptical
Burning Position:Universal
Electrical
Wattage:125
Voltage:125
Current:1.15A
Physical/Production
Factory Location:Hamilton, Scotland
Fabrication Date:October 1971 (Date code 1K)
File information
Filename:Philips_125W_PowerWhite_Mercury_Lamp_with_E40_Cap.jpg
Album name:Ria / Lamps
Keywords:Lamps
Filesize:222 KiB
Date added:Aug 20, 2024
Dimensions:1988 x 1312 pixels
Displayed:10 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=331
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Comment 1 to 3 of 3
Page: 1

BT25   [Aug 20, 2024 at 08:33 PM]
Can't help you with the data, but it's a nice lamp! Bulb Man
Max   [Oct 06, 2024 at 10:30 AM]
Nice one indeed, it's so unusual to see the once ubiquitous 125 W HPMV lamp with an oversized end cap... As for the manufacturing date, I think mercury lamps were made at the Hamilton factory up until the 1990s, so '91 wouldn't be incorrect. however, the style of the paper wrap is more consistent with the 70s, so maybe this is a '71 lamp and the "Oct 1990" sticker was added way later by some retailer. Overall, I'd go for 1971 based on the style of the stamp on the lamp, and the art on the wrapper.
Ria   [Oct 06, 2024 at 11:15 PM]
Thanks, I tend to agree with that, 1971 it is.

Comment 1 to 3 of 3
Page: 1