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Oldtime mercury lamp

Oldtime mercury lamp

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Middle pressure lamp, rare and unusual

F_135_G_E_C__OSIRA_400.jpg F_084_LUMA_Hg_265W_1000Dlm.jpg F_134_CROMPTON49_MA_V_250W.jpg G_24_A_E_I__250_W.jpg

Light Information

Light Information

Manufacturer:Crompton Parkinson
Lamp
Lamp Type:MA/V 250W
Base:E40
Electrical
Wattage:250
Physical/Production
Factory Location:U.K.

File information

File information

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Filename:F_134_CROMPTON49_MA_V_250W.jpg
Album name:Trianero2012 / Mercury lamps
Keywords:Lamps
File Size:82 KB
Date added:Jan 13, 2013
Dimensions:2050 x 681 pixels
Displayed:105 times
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-74834
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Comments
douro20
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Jan 13, 2013 at 02:14 PM Author: douro20
That IS rather unusual...the whole arc tube is held in with glass...must had been very difficult to manufacture.
Medved
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Jan 13, 2013 at 02:39 PM Author: Medved
Nice try to get rid of the outer gas filling.
But not possible with Niobium seals of quartz arc tubes (they would quickly corrode in the presence of oxygen), so such concept remained only a piece of history...

No more selfballasted c***

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