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Unknown mercury arc lamp (Неизвестная дуговая ртутная лампа)

Unknown mercury arc lamp (Неизвестная дуговая ртутная лампа)

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Lamp in work

IMG_20191110_163921.jpg IMG_20191110_163954.jpg IMG_20191109_220025.jpg youtube_ck2Co-hVBao.jpg

Light Information

Light Information

Lamp
Lamp Type:High Pressure Mercury
Filament/Radiator Type:Quartz discharge tube
Base:Special double ended
Shape/Finish:Tubular Clear

File information

File information

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Filename:IMG_20191109_220025.jpg
Album name:SilverRay / High and Super High Pressure Mercury lamps (Ртутные лампы высокого и сверхвысокого давления)
Keywords:Lamps
File Size:143 KB
Date added:Nov 09, 2019
Dimensions:2464 x 1848 pixels
Displayed:60 times
Date Time:2019:11:09 22:00:25
DateTime Original:2019:11:09 22:00:25
Exposure Bias:1 EV
Exposure Time:1/1116 sec
FNumber:f 2.65
Flash:No Flash
Focal length:3.7 mm
ISO:75
Make:samsung
Model:GT-I9300
Software:NJH47F
White Balance:0
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-167197
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Comments
dor123
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Nov 09, 2019 at 11:33 PM Author: dor123
Looks like a mercury lamps for ink curing and other graphic arts applications.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Max
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Nov 10, 2019 at 05:37 PM Author: Max
This is a UV reference lamp for instrument calibration. I have one like that (250 W), but made by Philips.
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Nov 11, 2019 at 04:20 AM Author: SilverRay
Thank You, Max! Could You say in what years this tube was made?
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Nov 11, 2019 at 10:49 AM Author: Max
You're welcome! Those lamps were used from the 1950s until the 1970s, and were replaced in their function by Deuterium lamps. Interestingly, although those lamps have symmetrical electrodes, they were often operated in DC for a more stable discharge.
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Nov 12, 2019 at 04:34 AM Author: SilverRay
Thanks for solvation of this little enigma -- I didn't know why was made sign "+" on the electrode although electrodes are the same
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Nov 12, 2019 at 05:39 AM Author: Max
Glad this helped
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Nov 12, 2019 at 03:36 PM Author: James
It looks like the design of lamp attributable to Krefft, Rössler and Rüttenauer. Max, do you know if this concept originated at Osram? I have not seen Osram lamps of this type and it seems that Philips took more of a lead in producing them even though they may not have been the original inventor.
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Nov 13, 2019 at 02:08 AM Author: SilverRay
James, do You have lamp like that? Thank You for very interesting old catalogues on Your website!
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Nov 13, 2019 at 01:44 PM Author: James
I have a similar lamp made by Philips and received from Max, so probably the same as his. It is the type 126066 made in 1974. It is listed in the Philips 1978 catalogue but I did not yet scan that one. Strangely it is not included in the earlier catalogues even though I am sure Philips must have been making it for a very long time.
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