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Osram 140w SO/H

IMG_5416.JPG SOH.jpg IMG_4900.JPG Philips_135w_SOX.JPG Thorn_SLI_3.JPG
File information
Filename:IMG_4900.JPG
Album name:Low Pressure Sodium
Manufacturer:Arc tubes are Osram, dewar jackets are Siemens Ediswan
Model:SO/H
Power Consumption:140w
Cap Type:BY22D
Light Colour Temp:1800°K
Burn Position :Horizontal
Circuit Type:Magnetic leak transformer
Comments:I've posted a pic of these before, but here they are both together again in Australia after they were found in New Zealand in 2011. I brought them over in my hand luggage; one in January and the other in July. I've so far tested one and it works brilliantly.
Date / Code:Arc tubes are January 1963, dewar jackets June 1959.
Country Of Origin:England
Filesize:1375 KiB
Date added:Oct 05, 2013
Dimensions:1200 x 1600 pixels
Displayed:38 times
URL:https://www.allthingslighting.co.uk/atl/displayimage.php?pid=17054
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Comment 1 to 2 of 2
Page: 1

Tom   [Oct 05, 2013 at 01:54 PM]
Good healthy dose of sodium in there!
Kev   [Oct 06, 2013 at 12:20 AM]
These are awesome lamps al really good to see these!

Comment 1 to 2 of 2
Page: 1

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