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The first and the last This picture shows two extremes in the low-pressure sodium lamp technology: the first commercial low-pressure sodium lamp on the left, i.e., the 1932 Philips Philora DC, and the last development on the left, i.e. the 1987 Philips ELS electrodeless SOX. Keywords: Lamps

The first and the last


This picture shows two extremes in the low-pressure sodium lamp technology: the first commercial low-pressure sodium lamp on the left, i.e., the 1932 Philips Philora DC, and the last development on the left, i.e. the 1987 Philips ELS electrodeless SOX.
Osram_HWA500_-_GR_1942.jpg Philips_S-HPV_20W_28Kr-O229.jpg _DSC2301.jpg Philips_UHP_400W.JPG UHP50_m.jpg
Lamp/Fixture Information
Manufacturer:Philips
Model Reference:Philora DC (left), ELS (right)
Lamp
Lamp Type:Low-pressure sodium
Filament/Radiator Type:Nonthermal discharge in neon and sodium vapor
File information
Filename:_DSC2301.jpg
Album name:Max / Misc lamps and lighting
Keywords:Lamps
Filesize:315 KiB
Date added:Jul 19, 2024
Dimensions:1200 x 798 pixels
Displayed:46 times
URL:https://trad-lighting.net/gallery/displayimage.php?pid=21
Favorites:Add to Favorites

Comment 1 to 7 of 7
Page: 1

Sammi   [Jul 19, 2024 at 11:48 AM]
A sight never to be seen again
Ria   [Jul 20, 2024 at 01:30 AM]
It would have been wonderful to see these lit in person Cool
AgentHalogen_87   [Jul 21, 2024 at 08:39 AM]
These are incredible specimens! Cool
Max   [Aug 10, 2024 at 01:39 PM]
That's quite an extraordinary combination indeed! I knew you'd like it Smile
Ria   [Aug 10, 2024 at 01:51 PM]
We do Bulb Man
Tuopeek   [Aug 18, 2024 at 07:26 PM]
Fantastic duo. Very impressive to see these two together.
Max   [Aug 21, 2024 at 09:08 PM]
That's quite a rare occurrence indeed, one that was made possible by James who owns the Philora DC luminaire on the left.

Comment 1 to 7 of 7
Page: 1