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Westinghouse Lifeguard 100W /DX Mercury Lamp, lit

Westinghouse Lifeguard 100W /DX Mercury Lamp, lit

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Here is a shot of my newly acquired Westinghouse Lifeguard lamp lit on a UK 70W HPS (SON) ballast (without the ignitor, of course). This ballast gives the best match for running current on a UK 240V 50Hz supply. It's not as bright as it could be, but it's an old lamp that has done many hours of service, the arc tube is very blackened.

20181031_132350.jpg 20181031_132438.jpg DSC02330.JPG DSC02342.JPG

Light Information

Light Information

Manufacturer:Westinghouse
Model Reference:Lifeguard 100W /DX
Lamp
Lamp Type:High Pressure Mercury Vapour
Filament/Radiator Type:Quartz Arc Tube
Base:E29
Shape/Finish:BT25
Service Life:A lot..!
Electrical
Wattage:100
Voltage:130
Current:0.85A on H38 ballast
Physical/Production
Factory Location:Bath, NH, USA
Fabrication Date:Not known as yet

File information

File information

Download: Download this File
Filename:DSC02330.JPG
Album name:sox35 / Mercury Vapour lamps
Keywords:Lamps
File Size:180 KB
Date added:Sep 25, 2018
Dimensions:1643 x 2465 pixels
Displayed:66 times
Date Time:2018:09:24 19:57:31
DateTime Original:2018:09:24 19:57:31
Exposure Bias:0 EV
Exposure Time:1/200 sec
FNumber:f 7.1
Flash:No Flash
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=-151390
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Comments
Cal
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Bottled lightning


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Sep 25, 2018 at 04:23 PM Author: Cal
Is it substantially dimmer than a new 50W lamp? I like old worn out mercs.
sox35
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Mainly the electrical side of things


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Sep 25, 2018 at 04:29 PM Author: sox35

Is it substantially dimmer than a new 50W lamp? I like old worn out mercs.

Probably, I don't have any 50W ones, the lowest I have is 80W. I tell you what, it's not much different than the 85W mercury retrofit HPS we got the other week, I don't wonder they never sold many of them, they're really poor in terms of light output. An interesting concept from an engineering POV, but not very bright (a bit like me I suppose, I'm a bit old and worn out myself )

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

rjluna2
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Robert


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Sep 26, 2018 at 05:28 AM Author: rjluna2
Really greened out bulb looks beautiful

Pretty, please no more Chinese failure.

lite_lover
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Darren


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Sep 26, 2018 at 09:24 PM Author: lite_lover
Very nice lamp!

The brighter the better.

sox35
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Mainly the electrical side of things


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Sep 11, 2019 at 06:33 AM Author: sox35
I've now managed to get a new example of this lamp, photos to come soon

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

fluorescent lover 40
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Lights are awesome! :)


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Sep 11, 2019 at 07:24 AM Author: fluorescent lover 40
Nice!

Power provider: Southern California Edison (SCE)

-Date decoder of some US lamps 1960-present.
-Switch and receptacle collector.
-I'll save any vintage lamp! Smiley

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