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Medium Pressure MV BeHOLD! This is my 1940 GE Mazda Medium Pressure MV! It is NOS that I got from eBay! I powered this up once for a very short time underdriven...it works! Keywords: Lamps

Medium Pressure MV

BeHOLD! This is my 1940 GE Mazda Medium Pressure MV! It is NOS that I got from eBay! I powered this up once for a very short time underdriven...it works!

wth.jpg DSC03216 Sylvania Canada 175W Mercury.JPG IMG_4406.JPG DSC02557.JPG DSC03315 Feit 9W Daylight CFL.JPG
File information
Filename:IMG_4406.JPG
Album name:Jace the Gull / HID
Keywords:Lamps
Filesize:130 KiB
Date added:Jan 30, 2010
Dimensions:1000 x 750 pixels
Displayed:324 times
Color Space:sRGB
DateTime Original:2010:01:30 01:58:20
Exposure Bias:0 EV
Exposure Mode:0
Exposure Time:1/60 sec
FNumber:f/8
Flash:Red Eye, Auto-Mode
Focal length:6.2 mm
ISO:80
Make:Canon
Max Aperture:f/2.8
Model:Canon PowerShot SD1100 IS
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=529
Favorites:Add to Favorites

Comment 1 to 17 of 17
Page: 1

rjluna2   [Jan 30, 2010 at 06:39 PM]
Is there an etch on the bulb? What wattage is this bulb?
FGS   [Jan 30, 2010 at 07:32 PM]
I think 400w. These are usually available in 250w or 400w. Absolutely a nice find here! Better than the Powergroove.
GullWhiz   [Jan 30, 2010 at 07:43 PM]
Yes it is indeed 400 watt The etch is there, its a acid etch I believe outside etch good quality!
A_lights   [Feb 01, 2010 at 04:40 AM]
Would that lamp run on a 400W high pressure mercury ballast? or a different one?
GullWhiz   [Feb 01, 2010 at 10:11 AM]
Same one as i was told Smile In fact this is a similar lamp that was used in Form109s i believe......
rjluna2   [Feb 01, 2010 at 05:35 PM]
As I recalled they were using the old ANSI ballast at the time. Dunno if it is similar to modern ANSI version.
Medved   [Feb 01, 2010 at 08:42 PM]
As far as i know, this lamp type set the standard for 400W MV ballast for the future...
GullWhiz   [Feb 02, 2010 at 04:55 PM]
what do you mean "for the future?"
Silverliner14B   [Feb 02, 2010 at 05:46 PM]
He meant back in the 30s this lamp set the standard for mercury lamps (voltage, etc) for the decades after. Also set the standard for American probe and pulse start metal halide lamps in 175w and higher.
vaporeyes   [Feb 03, 2010 at 04:04 AM]
Beautiful specimen. I love the electrodes on these MA/V lamps.
DimBulb   [Mar 27, 2010 at 08:28 PM]
Very cool!!!! A few years older than mine. What year were they first produced? Do you have any 'lit' pics of it??
GullWhiz   [May 03, 2011 at 11:39 PM]
Here's the pic of it lit
prawnman88   [May 04, 2011 at 12:37 AM]
how much did u spend on this old guy ?
Sailormoon_01_uk   [May 04, 2011 at 06:48 AM]
Even $200 USD is Cheap for a 1940s/60s Lamp in the UK These 180 watt SOX Low Pressure Sodium Lamps go for £80 or about $130 USD and they are still used on Major Roads and Motorways, No Wonder our Corporation Taxes are so High, and why Lighting Authorities are swtching over to HPS lighting.

Yes they are the Same Voltage and Current to the 400w High Pressure Mercury Lamp, (130 volts 3.2 amps) they are the Predesessors before the Quartz Arc Tube Mercury lamps were developed.

All the Best

Colin
GullWhiz   [Aug 20, 2011 at 02:43 PM]
I got this lamp for less than those prices.....that Colin mentioned!
streetlight98   [Jul 01, 2012 at 06:08 PM]
How does the lumen output compare to a high pressure mercury vapor lamp?
joe_347V   [Jul 01, 2012 at 07:13 PM]
Hmm according to here and here, a medium pressure merc has 16000 lumens and a high pressure merc has 20000 lumens.

Comment 1 to 17 of 17
Page: 1
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