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S-4 100w Mercury Vapor bulbs
GE-Mazda (left), Westinghouse (right)
These old mercs were used in 1940s? sunlamps. A pic of the Westy lit was posted earlier. They have weird bases which are a bit larger than the standard edison base shown in the pic.
Keywords: Lamps

S-4 100w Mercury Vapor bulbs

GE-Mazda (left), Westinghouse (right)
These old mercs were used in 1940s? sunlamps. A pic of the Westy lit was posted earlier. They have weird bases which are a bit larger than the standard edison base shown in the pic.

01syl1.JPG 01dmer.JPG 01westyS-40.JPG 01westyS-41.JPG 01westyS-4.JPG
File information
Filename:01westyS-40.JPG
Album name:DimBulb / HID collection
Rating (2 votes):55555
Keywords:Lamps
Filesize:426 KiB
Date added:Dec 04, 2010
Dimensions:1536 x 2048 pixels
Displayed:290 times
Color Space:sRGB
DateTime Original:2004:01:02 17:17:42
Exposure Bias:0 EV
Exposure Program:Program
Exposure Time:1/175 sec
FNumber:f/4
Flash:No Flash
ISO:100
Light Source:Unknown: 0
Make:Samsung Techwin
Max Aperture:f/2.8
Model:Digimax 530 / KENOX D530
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=4202
Favorites:Add to Favorites

Comment 1 to 6 of 6
Page: 1

Form109   [Dec 04, 2010 at 09:46 PM]
oh my. Shocked
FGS   [Dec 04, 2010 at 10:34 PM]
They're admedium bases. E-29 so yeah they're a bit bigger than the medium bases we're used to. I think I have one like that somewhere. (Not the same bulbs but PAR-38 MV 100w.)

A fine catch if you ask me man! Simply AWESOME!
rjluna2   [Dec 04, 2010 at 11:19 PM]
Nice Cool

They have odd base to prevent consumer to mis-screw with other fixtures.
Did you have to use the regular 100 Watts Mercury Vapor ballast or did you use the one that came with the fixture?
DimBulb   [Dec 05, 2010 at 02:20 AM]
Hey THANX!
I just used a regular merc ballast, I don't have the fixture.
joe_347V   [Dec 05, 2010 at 02:48 AM]
Shocked Wow, these look awesome! Very nice finds!
GullWhiz   [Dec 06, 2010 at 03:08 PM]
Wow...I have a few lamps that has Admedium bases, I only made a home brew made adaptor to light them up LOL!

Comment 1 to 6 of 6
Page: 1