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Spent Merc
Looks like an oldie! Too bad it won't light :-(
Keywords: Lamps

Spent Merc

Looks like an oldie! Too bad it won't light :-(

01H3merc0.JPG 01syl1.JPG 01dmer.JPG 01westyS-40.JPG 01westyS-41.JPG
File information
Filename:01dmer.JPG
Album name:DimBulb / HID collection
Keywords:Lamps
Filesize:286 KiB
Date added:Apr 29, 2011
Dimensions:2592 x 1502 pixels
Displayed:147 times
Color Space:sRGB
DateTime Original:2004:01:07 20:05:24
Exposure Bias:0 EV
Exposure Program:Program
Exposure Time:1/1250 sec
FNumber:f/6.7
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=6295
Favorites:Add to Favorites

Comment 1 to 13 of 13
Page: 1

Silverliner14B   [Apr 29, 2011 at 08:47 PM]
That's an early 50s 250w merc! Can you find the make, etc? Maybe a pic of the whole bulb including the base and a better view of the frame?
DimBulb   [Apr 29, 2011 at 09:02 PM]
Cool! I'll take more pics later.
The etch is pretty much gone but somebody wrote Westinghouse 11-5 on the base.
Silverliner14B   [Apr 29, 2011 at 09:04 PM]
Sounds good. BTW I have a few 50s mercs like this one but in 400w.
GullWhiz   [Apr 29, 2011 at 10:52 PM]
Hey I bet I can get it t light up again!!!!
Form109   [Apr 30, 2011 at 12:35 AM]
jace your thinking of using a BBQ Ignitor huh?
GullWhiz   [Apr 30, 2011 at 01:11 AM]
Nope...not even close! Those lamps will not EVEN start with a Pulse start MH ballast if it's as dead as Henry claims....but I have brought lamps back to life...but how? A big secret!!! I have a witness who can say I HAVE started lamps that were 40-50 years old that wouldn't start with anything....until I did something...(a big secret) He will not tell you either but he will acknowledge what I say is true!
Silverliner14B   [Apr 30, 2011 at 02:25 AM]
Sometimes old spent mercs can be revived by using NSTs or 1500w MH ballasts, although I would be careful with this type of lamp, its early and more fragile than later mercury lamps.
DimBulb   [Apr 30, 2011 at 03:16 AM]
That sneaky Mr Gull is probably gonna try to talk me into giving him this lamp next!!! Wink
Silverliner14B   [Apr 30, 2011 at 03:20 AM]
LOL! Well with this type of lamp, if it doesn't light I would try a probe start metal halide ballast of equal wattage.
DimBulb   [Apr 30, 2011 at 03:35 AM]
The only thing I tried was a 400w merc ballast, nothing happened. I don't have a BBQ ignitor or MH ballast. How about a spark plug coil from a 1960 Plymouth?? Laughing
vaporeyes   [Apr 30, 2011 at 05:33 AM]
There could be a mechanical break in the lamp too...often at the leads (fuse?) in the base. I had a 200w HPS lamp I just recycled because of this (NOTHING would light it, except a microwave), but the arc tube was intact (looked pretty new).
Silverliner14B   [Aug 27, 2011 at 03:29 AM]
I saw this bulb in person when I visited Henry a few weeks ago. Apparently the starting probe had burned away, the main electrodes are still intact. The starting probe is at the crown end of the lamp, note the resistor there?
joe_347V   [Aug 27, 2011 at 06:26 AM]
This thing is cool! I've never seen a MV lamp with a starting probe and resistor on the crown end before, anyways I wonder if a pulse start ballast can still light this?

Comment 1 to 13 of 13
Page: 1