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GEC 250W MB/U

GEC 250W MB/U

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A 250W GEC MB/U mercury lamp from 1972

DSC02816.JPG DSC02814.JPG DSC02809.JPG DSC02793.JPG

Light Information

Light Information

Manufacturer:The General Electric Company of England
Lamp
Lamp Type:High Pressure Mercury Discharge
Filament/Radiator Type:Quartz arc tube
Base:E40s/45
Shape/Finish:TD-51 tubular, clear hard borosilicate glass
Service Life:7,500 hours
Electrical
Wattage:250
Voltage:125
Current:2.5A
Optical
Lumen Output:12,000 lm @ 100hrs
Lumen Efficacy:48 lm/W @ 100hrs
Color Temperature:5900 K
Color Rendering Index:Ra 16
Physical/Production
Dimensions:Overall length 250 ± 5mm (9⅞")
Factory Location:Shaw, Oldham
Fabrication Date:January 1972 (Date code DA)
Application/Use:Street/industrial lighting

File information

File information

Download: Download this File
Filename:DSC02809.JPG
Album name:Mandolin Girl / Lamp of the Day
Keywords:Lamps
File Size:201 KB
Date added:Oct 09, 2019
Dimensions:1386 x 2464 pixels
Displayed:31 times
Date Time:2019:10:09 22:18:49
DateTime Original:2019:10:09 22:18:49
Exposure Bias:-1.7 EV
Exposure Time:1/1600 sec
FNumber:f 7.1
Flash:Flash, Auto-Mode, Return light detected
Focal length:5.35 mm
ISO:125
Make:SONY
Model:DSC-W120
White Balance:0
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-165706
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Comments
sox35
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Mainly the electrical side of things


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Oct 09, 2019 at 03:54 PM Author: sox35
Clear mercury is second only to SOX in my book, just lovely

Ria in Aberdeen
It'll be all right in the end, and if it isn't all right, it isn't the end  Smiley

Mandolin Girl
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Mainly the mechanical side of things


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Oct 09, 2019 at 03:55 PM Author: Mandolin Girl
Absolutely

Hugs and STUFF Sammi xXx (also in Aberdeen)

There are two kinds of light  -  the glow that illuminates, and the glare that obscures.
James Thurber  -  US author, cartoonist, humourist, & satirist (1894 - 1961)

Olav
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Oct 09, 2019 at 04:29 PM Author: Olav
This color is always fascinating. Horribly beautiful is the light of the mercury vapor lamps without phosphor.
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